Update vendor, move to labstack/echo/v4 Fixes #698

19 files changed, 0 insertions, 2583 deletions

diff --git a/vendor/github.com/labstack/echo/middleware/basic_auth.go b/vendor/github.com/labstack/echo/middleware/basic_auth.go
deleted file mode 100644
index e6c96324..00000000
--- a/vendor/github.com/labstack/echo/middleware/basic_auth.go
+++ /dev/null
@@ -1,106 +0,0 @@
-package middleware
-
-import (
-	"encoding/base64"
-	"strconv"
-	"strings"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// BasicAuthConfig defines the config for BasicAuth middleware.
-	BasicAuthConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Validator is a function to validate BasicAuth credentials.
-		// Required.
-		Validator BasicAuthValidator
-
-		// Realm is a string to define realm attribute of BasicAuth.
-		// Default value "Restricted".
-		Realm string
-	}
-
-	// BasicAuthValidator defines a function to validate BasicAuth credentials.
-	BasicAuthValidator func(string, string, echo.Context) (bool, error)
-)
-
-const (
-	basic        = "basic"
-	defaultRealm = "Restricted"
-)
-
-var (
-	// DefaultBasicAuthConfig is the default BasicAuth middleware config.
-	DefaultBasicAuthConfig = BasicAuthConfig{
-		Skipper: DefaultSkipper,
-		Realm:   defaultRealm,
-	}
-)
-
-// BasicAuth returns an BasicAuth middleware.
-//
-// For valid credentials it calls the next handler.
-// For missing or invalid credentials, it sends "401 - Unauthorized" response.
-func BasicAuth(fn BasicAuthValidator) echo.MiddlewareFunc {
-	c := DefaultBasicAuthConfig
-	c.Validator = fn
-	return BasicAuthWithConfig(c)
-}
-
-// BasicAuthWithConfig returns an BasicAuth middleware with config.
-// See `BasicAuth()`.
-func BasicAuthWithConfig(config BasicAuthConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Validator == nil {
-		panic("echo: basic-auth middleware requires a validator function")
-	}
-	if config.Skipper == nil {
-		config.Skipper = DefaultBasicAuthConfig.Skipper
-	}
-	if config.Realm == "" {
-		config.Realm = defaultRealm
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			auth := c.Request().Header.Get(echo.HeaderAuthorization)
-			l := len(basic)
-
-			if len(auth) > l+1 && strings.ToLower(auth[:l]) == basic {
-				b, err := base64.StdEncoding.DecodeString(auth[l+1:])
-				if err != nil {
-					return err
-				}
-				cred := string(b)
-				for i := 0; i < len(cred); i++ {
-					if cred[i] == ':' {
-						// Verify credentials
-						valid, err := config.Validator(cred[:i], cred[i+1:], c)
-						if err != nil {
-							return err
-						} else if valid {
-							return next(c)
-						}
-						break
-					}
-				}
-			}
-
-			realm := defaultRealm
-			if config.Realm != defaultRealm {
-				realm = strconv.Quote(config.Realm)
-			}
-
-			// Need to return `401` for browsers to pop-up login box.
-			c.Response().Header().Set(echo.HeaderWWWAuthenticate, basic+" realm="+realm)
-			return echo.ErrUnauthorized
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/body_dump.go b/vendor/github.com/labstack/echo/middleware/body_dump.go
deleted file mode 100644
index e64e5e11..00000000
--- a/vendor/github.com/labstack/echo/middleware/body_dump.go
+++ /dev/null
@@ -1,111 +0,0 @@
-package middleware
-
-import (
-	"bufio"
-	"bytes"
-	"io"
-	"io/ioutil"
-	"net"
-	"net/http"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// BodyDumpConfig defines the config for BodyDump middleware.
-	BodyDumpConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Handler receives request and response payload.
-		// Required.
-		Handler BodyDumpHandler
-	}
-
-	// BodyDumpHandler receives the request and response payload.
-	BodyDumpHandler func(echo.Context, []byte, []byte)
-
-	bodyDumpResponseWriter struct {
-		io.Writer
-		http.ResponseWriter
-	}
-)
-
-var (
-	// DefaultBodyDumpConfig is the default BodyDump middleware config.
-	DefaultBodyDumpConfig = BodyDumpConfig{
-		Skipper: DefaultSkipper,
-	}
-)
-
-// BodyDump returns a BodyDump middleware.
-//
-// BodyLimit middleware captures the request and response payload and calls the
-// registered handler.
-func BodyDump(handler BodyDumpHandler) echo.MiddlewareFunc {
-	c := DefaultBodyDumpConfig
-	c.Handler = handler
-	return BodyDumpWithConfig(c)
-}
-
-// BodyDumpWithConfig returns a BodyDump middleware with config.
-// See: `BodyDump()`.
-func BodyDumpWithConfig(config BodyDumpConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Handler == nil {
-		panic("echo: body-dump middleware requires a handler function")
-	}
-	if config.Skipper == nil {
-		config.Skipper = DefaultBodyDumpConfig.Skipper
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) (err error) {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			// Request
-			reqBody := []byte{}
-			if c.Request().Body != nil { // Read
-				reqBody, _ = ioutil.ReadAll(c.Request().Body)
-			}
-			c.Request().Body = ioutil.NopCloser(bytes.NewBuffer(reqBody)) // Reset
-
-			// Response
-			resBody := new(bytes.Buffer)
-			mw := io.MultiWriter(c.Response().Writer, resBody)
-			writer := &bodyDumpResponseWriter{Writer: mw, ResponseWriter: c.Response().Writer}
-			c.Response().Writer = writer
-
-			if err = next(c); err != nil {
-				c.Error(err)
-			}
-
-			// Callback
-			config.Handler(c, reqBody, resBody.Bytes())
-
-			return
-		}
-	}
-}
-
-func (w *bodyDumpResponseWriter) WriteHeader(code int) {
-	w.ResponseWriter.WriteHeader(code)
-}
-
-func (w *bodyDumpResponseWriter) Write(b []byte) (int, error) {
-	return w.Writer.Write(b)
-}
-
-func (w *bodyDumpResponseWriter) Flush() {
-	w.ResponseWriter.(http.Flusher).Flush()
-}
-
-func (w *bodyDumpResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
-	return w.ResponseWriter.(http.Hijacker).Hijack()
-}
-
-func (w *bodyDumpResponseWriter) CloseNotify() <-chan bool {
-	return w.ResponseWriter.(http.CloseNotifier).CloseNotify()
-}
diff --git a/vendor/github.com/labstack/echo/middleware/body_limit.go b/vendor/github.com/labstack/echo/middleware/body_limit.go
deleted file mode 100644
index c83f57e1..00000000
--- a/vendor/github.com/labstack/echo/middleware/body_limit.go
+++ /dev/null
@@ -1,117 +0,0 @@
-package middleware
-
-import (
-	"fmt"
-	"io"
-	"sync"
-
-	"github.com/labstack/echo"
-	"github.com/labstack/gommon/bytes"
-)
-
-type (
-	// BodyLimitConfig defines the config for BodyLimit middleware.
-	BodyLimitConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Maximum allowed size for a request body, it can be specified
-		// as `4x` or `4xB`, where x is one of the multiple from K, M, G, T or P.
-		Limit string `yaml:"limit"`
-		limit int64
-	}
-
-	limitedReader struct {
-		BodyLimitConfig
-		reader  io.ReadCloser
-		read    int64
-		context echo.Context
-	}
-)
-
-var (
-	// DefaultBodyLimitConfig is the default BodyLimit middleware config.
-	DefaultBodyLimitConfig = BodyLimitConfig{
-		Skipper: DefaultSkipper,
-	}
-)
-
-// BodyLimit returns a BodyLimit middleware.
-//
-// BodyLimit middleware sets the maximum allowed size for a request body, if the
-// size exceeds the configured limit, it sends "413 - Request Entity Too Large"
-// response. The BodyLimit is determined based on both `Content-Length` request
-// header and actual content read, which makes it super secure.
-// Limit can be specified as `4x` or `4xB`, where x is one of the multiple from K, M,
-// G, T or P.
-func BodyLimit(limit string) echo.MiddlewareFunc {
-	c := DefaultBodyLimitConfig
-	c.Limit = limit
-	return BodyLimitWithConfig(c)
-}
-
-// BodyLimitWithConfig returns a BodyLimit middleware with config.
-// See: `BodyLimit()`.
-func BodyLimitWithConfig(config BodyLimitConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultBodyLimitConfig.Skipper
-	}
-
-	limit, err := bytes.Parse(config.Limit)
-	if err != nil {
-		panic(fmt.Errorf("echo: invalid body-limit=%s", config.Limit))
-	}
-	config.limit = limit
-	pool := limitedReaderPool(config)
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-
-			// Based on content length
-			if req.ContentLength > config.limit {
-				return echo.ErrStatusRequestEntityTooLarge
-			}
-
-			// Based on content read
-			r := pool.Get().(*limitedReader)
-			r.Reset(req.Body, c)
-			defer pool.Put(r)
-			req.Body = r
-
-			return next(c)
-		}
-	}
-}
-
-func (r *limitedReader) Read(b []byte) (n int, err error) {
-	n, err = r.reader.Read(b)
-	r.read += int64(n)
-	if r.read > r.limit {
-		return n, echo.ErrStatusRequestEntityTooLarge
-	}
-	return
-}
-
-func (r *limitedReader) Close() error {
-	return r.reader.Close()
-}
-
-func (r *limitedReader) Reset(reader io.ReadCloser, context echo.Context) {
-	r.reader = reader
-	r.context = context
-	r.read = 0
-}
-
-func limitedReaderPool(c BodyLimitConfig) sync.Pool {
-	return sync.Pool{
-		New: func() interface{} {
-			return &limitedReader{BodyLimitConfig: c}
-		},
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/compress.go b/vendor/github.com/labstack/echo/middleware/compress.go
deleted file mode 100644
index b876009c..00000000
--- a/vendor/github.com/labstack/echo/middleware/compress.go
+++ /dev/null
@@ -1,122 +0,0 @@
-package middleware
-
-import (
-	"bufio"
-	"compress/gzip"
-	"io"
-	"io/ioutil"
-	"net"
-	"net/http"
-	"strings"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// GzipConfig defines the config for Gzip middleware.
-	GzipConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Gzip compression level.
-		// Optional. Default value -1.
-		Level int `yaml:"level"`
-	}
-
-	gzipResponseWriter struct {
-		io.Writer
-		http.ResponseWriter
-	}
-)
-
-const (
-	gzipScheme = "gzip"
-)
-
-var (
-	// DefaultGzipConfig is the default Gzip middleware config.
-	DefaultGzipConfig = GzipConfig{
-		Skipper: DefaultSkipper,
-		Level:   -1,
-	}
-)
-
-// Gzip returns a middleware which compresses HTTP response using gzip compression
-// scheme.
-func Gzip() echo.MiddlewareFunc {
-	return GzipWithConfig(DefaultGzipConfig)
-}
-
-// GzipWithConfig return Gzip middleware with config.
-// See: `Gzip()`.
-func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultGzipConfig.Skipper
-	}
-	if config.Level == 0 {
-		config.Level = DefaultGzipConfig.Level
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			res := c.Response()
-			res.Header().Add(echo.HeaderVary, echo.HeaderAcceptEncoding)
-			if strings.Contains(c.Request().Header.Get(echo.HeaderAcceptEncoding), gzipScheme) {
-				res.Header().Set(echo.HeaderContentEncoding, gzipScheme) // Issue #806
-				rw := res.Writer
-				w, err := gzip.NewWriterLevel(rw, config.Level)
-				if err != nil {
-					return err
-				}
-				defer func() {
-					if res.Size == 0 {
-						if res.Header().Get(echo.HeaderContentEncoding) == gzipScheme {
-							res.Header().Del(echo.HeaderContentEncoding)
-						}
-						// We have to reset response to it's pristine state when
-						// nothing is written to body or error is returned.
-						// See issue #424, #407.
-						res.Writer = rw
-						w.Reset(ioutil.Discard)
-					}
-					w.Close()
-				}()
-				grw := &gzipResponseWriter{Writer: w, ResponseWriter: rw}
-				res.Writer = grw
-			}
-			return next(c)
-		}
-	}
-}
-
-func (w *gzipResponseWriter) WriteHeader(code int) {
-	if code == http.StatusNoContent { // Issue #489
-		w.ResponseWriter.Header().Del(echo.HeaderContentEncoding)
-	}
-	w.Header().Del(echo.HeaderContentLength) // Issue #444
-	w.ResponseWriter.WriteHeader(code)
-}
-
-func (w *gzipResponseWriter) Write(b []byte) (int, error) {
-	if w.Header().Get(echo.HeaderContentType) == "" {
-		w.Header().Set(echo.HeaderContentType, http.DetectContentType(b))
-	}
-	return w.Writer.Write(b)
-}
-
-func (w *gzipResponseWriter) Flush() {
-	w.Writer.(*gzip.Writer).Flush()
-}
-
-func (w *gzipResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
-	return w.ResponseWriter.(http.Hijacker).Hijack()
-}
-
-func (w *gzipResponseWriter) CloseNotify() <-chan bool {
-	return w.ResponseWriter.(http.CloseNotifier).CloseNotify()
-}
diff --git a/vendor/github.com/labstack/echo/middleware/cors.go b/vendor/github.com/labstack/echo/middleware/cors.go
deleted file mode 100644
index 771000a5..00000000
--- a/vendor/github.com/labstack/echo/middleware/cors.go
+++ /dev/null
@@ -1,139 +0,0 @@
-package middleware
-
-import (
-	"net/http"
-	"strconv"
-	"strings"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// CORSConfig defines the config for CORS middleware.
-	CORSConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// AllowOrigin defines a list of origins that may access the resource.
-		// Optional. Default value []string{"*"}.
-		AllowOrigins []string `yaml:"allow_origins"`
-
-		// AllowMethods defines a list methods allowed when accessing the resource.
-		// This is used in response to a preflight request.
-		// Optional. Default value DefaultCORSConfig.AllowMethods.
-		AllowMethods []string `yaml:"allow_methods"`
-
-		// AllowHeaders defines a list of request headers that can be used when
-		// making the actual request. This in response to a preflight request.
-		// Optional. Default value []string{}.
-		AllowHeaders []string `yaml:"allow_headers"`
-
-		// AllowCredentials indicates whether or not the response to the request
-		// can be exposed when the credentials flag is true. When used as part of
-		// a response to a preflight request, this indicates whether or not the
-		// actual request can be made using credentials.
-		// Optional. Default value false.
-		AllowCredentials bool `yaml:"allow_credentials"`
-
-		// ExposeHeaders defines a whitelist headers that clients are allowed to
-		// access.
-		// Optional. Default value []string{}.
-		ExposeHeaders []string `yaml:"expose_headers"`
-
-		// MaxAge indicates how long (in seconds) the results of a preflight request
-		// can be cached.
-		// Optional. Default value 0.
-		MaxAge int `yaml:"max_age"`
-	}
-)
-
-var (
-	// DefaultCORSConfig is the default CORS middleware config.
-	DefaultCORSConfig = CORSConfig{
-		Skipper:      DefaultSkipper,
-		AllowOrigins: []string{"*"},
-		AllowMethods: []string{echo.GET, echo.HEAD, echo.PUT, echo.PATCH, echo.POST, echo.DELETE},
-	}
-)
-
-// CORS returns a Cross-Origin Resource Sharing (CORS) middleware.
-// See: https://developer.mozilla.org/en/docs/Web/HTTP/Access_control_CORS
-func CORS() echo.MiddlewareFunc {
-	return CORSWithConfig(DefaultCORSConfig)
-}
-
-// CORSWithConfig returns a CORS middleware with config.
-// See: `CORS()`.
-func CORSWithConfig(config CORSConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultCORSConfig.Skipper
-	}
-	if len(config.AllowOrigins) == 0 {
-		config.AllowOrigins = DefaultCORSConfig.AllowOrigins
-	}
-	if len(config.AllowMethods) == 0 {
-		config.AllowMethods = DefaultCORSConfig.AllowMethods
-	}
-
-	allowMethods := strings.Join(config.AllowMethods, ",")
-	allowHeaders := strings.Join(config.AllowHeaders, ",")
-	exposeHeaders := strings.Join(config.ExposeHeaders, ",")
-	maxAge := strconv.Itoa(config.MaxAge)
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			res := c.Response()
-			origin := req.Header.Get(echo.HeaderOrigin)
-			allowOrigin := ""
-
-			// Check allowed origins
-			for _, o := range config.AllowOrigins {
-				if o == "*" || o == origin {
-					allowOrigin = o
-					break
-				}
-			}
-
-			// Simple request
-			if req.Method != echo.OPTIONS {
-				res.Header().Add(echo.HeaderVary, echo.HeaderOrigin)
-				res.Header().Set(echo.HeaderAccessControlAllowOrigin, allowOrigin)
-				if config.AllowCredentials {
-					res.Header().Set(echo.HeaderAccessControlAllowCredentials, "true")
-				}
-				if exposeHeaders != "" {
-					res.Header().Set(echo.HeaderAccessControlExposeHeaders, exposeHeaders)
-				}
-				return next(c)
-			}
-
-			// Preflight request
-			res.Header().Add(echo.HeaderVary, echo.HeaderOrigin)
-			res.Header().Add(echo.HeaderVary, echo.HeaderAccessControlRequestMethod)
-			res.Header().Add(echo.HeaderVary, echo.HeaderAccessControlRequestHeaders)
-			res.Header().Set(echo.HeaderAccessControlAllowOrigin, allowOrigin)
-			res.Header().Set(echo.HeaderAccessControlAllowMethods, allowMethods)
-			if config.AllowCredentials {
-				res.Header().Set(echo.HeaderAccessControlAllowCredentials, "true")
-			}
-			if allowHeaders != "" {
-				res.Header().Set(echo.HeaderAccessControlAllowHeaders, allowHeaders)
-			} else {
-				h := req.Header.Get(echo.HeaderAccessControlRequestHeaders)
-				if h != "" {
-					res.Header().Set(echo.HeaderAccessControlAllowHeaders, h)
-				}
-			}
-			if config.MaxAge > 0 {
-				res.Header().Set(echo.HeaderAccessControlMaxAge, maxAge)
-			}
-			return c.NoContent(http.StatusNoContent)
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/csrf.go b/vendor/github.com/labstack/echo/middleware/csrf.go
deleted file mode 100644
index 5d1f4671..00000000
--- a/vendor/github.com/labstack/echo/middleware/csrf.go
+++ /dev/null
@@ -1,210 +0,0 @@
-package middleware
-
-import (
-	"crypto/subtle"
-	"errors"
-	"net/http"
-	"strings"
-	"time"
-
-	"github.com/labstack/echo"
-	"github.com/labstack/gommon/random"
-)
-
-type (
-	// CSRFConfig defines the config for CSRF middleware.
-	CSRFConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// TokenLength is the length of the generated token.
-		TokenLength uint8 `yaml:"token_length"`
-		// Optional. Default value 32.
-
-		// TokenLookup is a string in the form of "<source>:<key>" that is used
-		// to extract token from the request.
-		// Optional. Default value "header:X-CSRF-Token".
-		// Possible values:
-		// - "header:<name>"
-		// - "form:<name>"
-		// - "query:<name>"
-		TokenLookup string `yaml:"token_lookup"`
-
-		// Context key to store generated CSRF token into context.
-		// Optional. Default value "csrf".
-		ContextKey string `yaml:"context_key"`
-
-		// Name of the CSRF cookie. This cookie will store CSRF token.
-		// Optional. Default value "csrf".
-		CookieName string `yaml:"cookie_name"`
-
-		// Domain of the CSRF cookie.
-		// Optional. Default value none.
-		CookieDomain string `yaml:"cookie_domain"`
-
-		// Path of the CSRF cookie.
-		// Optional. Default value none.
-		CookiePath string `yaml:"cookie_path"`
-
-		// Max age (in seconds) of the CSRF cookie.
-		// Optional. Default value 86400 (24hr).
-		CookieMaxAge int `yaml:"cookie_max_age"`
-
-		// Indicates if CSRF cookie is secure.
-		// Optional. Default value false.
-		CookieSecure bool `yaml:"cookie_secure"`
-
-		// Indicates if CSRF cookie is HTTP only.
-		// Optional. Default value false.
-		CookieHTTPOnly bool `yaml:"cookie_http_only"`
-	}
-
-	// csrfTokenExtractor defines a function that takes `echo.Context` and returns
-	// either a token or an error.
-	csrfTokenExtractor func(echo.Context) (string, error)
-)
-
-var (
-	// DefaultCSRFConfig is the default CSRF middleware config.
-	DefaultCSRFConfig = CSRFConfig{
-		Skipper:      DefaultSkipper,
-		TokenLength:  32,
-		TokenLookup:  "header:" + echo.HeaderXCSRFToken,
-		ContextKey:   "csrf",
-		CookieName:   "_csrf",
-		CookieMaxAge: 86400,
-	}
-)
-
-// CSRF returns a Cross-Site Request Forgery (CSRF) middleware.
-// See: https://en.wikipedia.org/wiki/Cross-site_request_forgery
-func CSRF() echo.MiddlewareFunc {
-	c := DefaultCSRFConfig
-	return CSRFWithConfig(c)
-}
-
-// CSRFWithConfig returns a CSRF middleware with config.
-// See `CSRF()`.
-func CSRFWithConfig(config CSRFConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultCSRFConfig.Skipper
-	}
-	if config.TokenLength == 0 {
-		config.TokenLength = DefaultCSRFConfig.TokenLength
-	}
-	if config.TokenLookup == "" {
-		config.TokenLookup = DefaultCSRFConfig.TokenLookup
-	}
-	if config.ContextKey == "" {
-		config.ContextKey = DefaultCSRFConfig.ContextKey
-	}
-	if config.CookieName == "" {
-		config.CookieName = DefaultCSRFConfig.CookieName
-	}
-	if config.CookieMaxAge == 0 {
-		config.CookieMaxAge = DefaultCSRFConfig.CookieMaxAge
-	}
-
-	// Initialize
-	parts := strings.Split(config.TokenLookup, ":")
-	extractor := csrfTokenFromHeader(parts[1])
-	switch parts[0] {
-	case "form":
-		extractor = csrfTokenFromForm(parts[1])
-	case "query":
-		extractor = csrfTokenFromQuery(parts[1])
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			k, err := c.Cookie(config.CookieName)
-			token := ""
-
-			// Generate token
-			if err != nil {
-				token = random.String(config.TokenLength)
-			} else {
-				// Reuse token
-				token = k.Value
-			}
-
-			switch req.Method {
-			case echo.GET, echo.HEAD, echo.OPTIONS, echo.TRACE:
-			default:
-				// Validate token only for requests which are not defined as 'safe' by RFC7231
-				clientToken, err := extractor(c)
-				if err != nil {
-					return echo.NewHTTPError(http.StatusBadRequest, err.Error())
-				}
-				if !validateCSRFToken(token, clientToken) {
-					return echo.NewHTTPError(http.StatusForbidden, "invalid csrf token")
-				}
-			}
-
-			// Set CSRF cookie
-			cookie := new(http.Cookie)
-			cookie.Name = config.CookieName
-			cookie.Value = token
-			if config.CookiePath != "" {
-				cookie.Path = config.CookiePath
-			}
-			if config.CookieDomain != "" {
-				cookie.Domain = config.CookieDomain
-			}
-			cookie.Expires = time.Now().Add(time.Duration(config.CookieMaxAge) * time.Second)
-			cookie.Secure = config.CookieSecure
-			cookie.HttpOnly = config.CookieHTTPOnly
-			c.SetCookie(cookie)
-
-			// Store token in the context
-			c.Set(config.ContextKey, token)
-
-			// Protect clients from caching the response
-			c.Response().Header().Add(echo.HeaderVary, echo.HeaderCookie)
-
-			return next(c)
-		}
-	}
-}
-
-// csrfTokenFromForm returns a `csrfTokenExtractor` that extracts token from the
-// provided request header.
-func csrfTokenFromHeader(header string) csrfTokenExtractor {
-	return func(c echo.Context) (string, error) {
-		return c.Request().Header.Get(header), nil
-	}
-}
-
-// csrfTokenFromForm returns a `csrfTokenExtractor` that extracts token from the
-// provided form parameter.
-func csrfTokenFromForm(param string) csrfTokenExtractor {
-	return func(c echo.Context) (string, error) {
-		token := c.FormValue(param)
-		if token == "" {
-			return "", errors.New("missing csrf token in the form parameter")
-		}
-		return token, nil
-	}
-}
-
-// csrfTokenFromQuery returns a `csrfTokenExtractor` that extracts token from the
-// provided query parameter.
-func csrfTokenFromQuery(param string) csrfTokenExtractor {
-	return func(c echo.Context) (string, error) {
-		token := c.QueryParam(param)
-		if token == "" {
-			return "", errors.New("missing csrf token in the query string")
-		}
-		return token, nil
-	}
-}
-
-func validateCSRFToken(token, clientToken string) bool {
-	return subtle.ConstantTimeCompare([]byte(token), []byte(clientToken)) == 1
-}
diff --git a/vendor/github.com/labstack/echo/middleware/jwt.go b/vendor/github.com/labstack/echo/middleware/jwt.go
deleted file mode 100644
index e98040ae..00000000
--- a/vendor/github.com/labstack/echo/middleware/jwt.go
+++ /dev/null
@@ -1,199 +0,0 @@
-package middleware
-
-import (
-	"fmt"
-	"net/http"
-	"reflect"
-	"strings"
-
-	"github.com/dgrijalva/jwt-go"
-	"github.com/labstack/echo"
-)
-
-type (
-	// JWTConfig defines the config for JWT middleware.
-	JWTConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Signing key to validate token.
-		// Required.
-		SigningKey interface{}
-
-		// Signing method, used to check token signing method.
-		// Optional. Default value HS256.
-		SigningMethod string
-
-		// Context key to store user information from the token into context.
-		// Optional. Default value "user".
-		ContextKey string
-
-		// Claims are extendable claims data defining token content.
-		// Optional. Default value jwt.MapClaims
-		Claims jwt.Claims
-
-		// TokenLookup is a string in the form of "<source>:<name>" that is used
-		// to extract token from the request.
-		// Optional. Default value "header:Authorization".
-		// Possible values:
-		// - "header:<name>"
-		// - "query:<name>"
-		// - "cookie:<name>"
-		TokenLookup string
-
-		// AuthScheme to be used in the Authorization header.
-		// Optional. Default value "Bearer".
-		AuthScheme string
-
-		keyFunc jwt.Keyfunc
-	}
-
-	jwtExtractor func(echo.Context) (string, error)
-)
-
-// Algorithms
-const (
-	AlgorithmHS256 = "HS256"
-)
-
-// Errors
-var (
-	ErrJWTMissing = echo.NewHTTPError(http.StatusBadRequest, "missing or malformed jwt")
-	ErrJWTInvalid = echo.NewHTTPError(http.StatusUnauthorized, "invalid or expired jwt")
-)
-
-var (
-	// DefaultJWTConfig is the default JWT auth middleware config.
-	DefaultJWTConfig = JWTConfig{
-		Skipper:       DefaultSkipper,
-		SigningMethod: AlgorithmHS256,
-		ContextKey:    "user",
-		TokenLookup:   "header:" + echo.HeaderAuthorization,
-		AuthScheme:    "Bearer",
-		Claims:        jwt.MapClaims{},
-	}
-)
-
-// JWT returns a JSON Web Token (JWT) auth middleware.
-//
-// For valid token, it sets the user in context and calls next handler.
-// For invalid token, it returns "401 - Unauthorized" error.
-// For missing token, it returns "400 - Bad Request" error.
-//
-// See: https://jwt.io/introduction
-// See `JWTConfig.TokenLookup`
-func JWT(key interface{}) echo.MiddlewareFunc {
-	c := DefaultJWTConfig
-	c.SigningKey = key
-	return JWTWithConfig(c)
-}
-
-// JWTWithConfig returns a JWT auth middleware with config.
-// See: `JWT()`.
-func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultJWTConfig.Skipper
-	}
-	if config.SigningKey == nil {
-		panic("echo: jwt middleware requires signing key")
-	}
-	if config.SigningMethod == "" {
-		config.SigningMethod = DefaultJWTConfig.SigningMethod
-	}
-	if config.ContextKey == "" {
-		config.ContextKey = DefaultJWTConfig.ContextKey
-	}
-	if config.Claims == nil {
-		config.Claims = DefaultJWTConfig.Claims
-	}
-	if config.TokenLookup == "" {
-		config.TokenLookup = DefaultJWTConfig.TokenLookup
-	}
-	if config.AuthScheme == "" {
-		config.AuthScheme = DefaultJWTConfig.AuthScheme
-	}
-	config.keyFunc = func(t *jwt.Token) (interface{}, error) {
-		// Check the signing method
-		if t.Method.Alg() != config.SigningMethod {
-			return nil, fmt.Errorf("unexpected jwt signing method=%v", t.Header["alg"])
-		}
-		return config.SigningKey, nil
-	}
-
-	// Initialize
-	parts := strings.Split(config.TokenLookup, ":")
-	extractor := jwtFromHeader(parts[1], config.AuthScheme)
-	switch parts[0] {
-	case "query":
-		extractor = jwtFromQuery(parts[1])
-	case "cookie":
-		extractor = jwtFromCookie(parts[1])
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			auth, err := extractor(c)
-			if err != nil {
-				return err
-			}
-			token := new(jwt.Token)
-			// Issue #647, #656
-			if _, ok := config.Claims.(jwt.MapClaims); ok {
-				token, err = jwt.Parse(auth, config.keyFunc)
-			} else {
-				t := reflect.ValueOf(config.Claims).Type().Elem()
-				claims := reflect.New(t).Interface().(jwt.Claims)
-				token, err = jwt.ParseWithClaims(auth, claims, config.keyFunc)
-			}
-			if err == nil && token.Valid {
-				// Store user information from token into context.
-				c.Set(config.ContextKey, token)
-				return next(c)
-			}
-			return &echo.HTTPError{
-				Code:     ErrJWTInvalid.Code,
-				Message:  ErrJWTInvalid.Message,
-				Internal: err,
-			}
-		}
-	}
-}
-
-// jwtFromHeader returns a `jwtExtractor` that extracts token from the request header.
-func jwtFromHeader(header string, authScheme string) jwtExtractor {
-	return func(c echo.Context) (string, error) {
-		auth := c.Request().Header.Get(header)
-		l := len(authScheme)
-		if len(auth) > l+1 && auth[:l] == authScheme {
-			return auth[l+1:], nil
-		}
-		return "", ErrJWTMissing
-	}
-}
-
-// jwtFromQuery returns a `jwtExtractor` that extracts token from the query string.
-func jwtFromQuery(param string) jwtExtractor {
-	return func(c echo.Context) (string, error) {
-		token := c.QueryParam(param)
-		if token == "" {
-			return "", ErrJWTMissing
-		}
-		return token, nil
-	}
-}
-
-// jwtFromCookie returns a `jwtExtractor` that extracts token from the named cookie.
-func jwtFromCookie(name string) jwtExtractor {
-	return func(c echo.Context) (string, error) {
-		cookie, err := c.Cookie(name)
-		if err != nil {
-			return "", ErrJWTMissing
-		}
-		return cookie.Value, nil
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/key_auth.go b/vendor/github.com/labstack/echo/middleware/key_auth.go
deleted file mode 100644
index c12f4ca9..00000000
--- a/vendor/github.com/labstack/echo/middleware/key_auth.go
+++ /dev/null
@@ -1,150 +0,0 @@
-package middleware
-
-import (
-	"errors"
-	"net/http"
-	"strings"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// KeyAuthConfig defines the config for KeyAuth middleware.
-	KeyAuthConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// KeyLookup is a string in the form of "<source>:<name>" that is used
-		// to extract key from the request.
-		// Optional. Default value "header:Authorization".
-		// Possible values:
-		// - "header:<name>"
-		// - "query:<name>"
-		// - "form:<name>"
-		KeyLookup string `yaml:"key_lookup"`
-
-		// AuthScheme to be used in the Authorization header.
-		// Optional. Default value "Bearer".
-		AuthScheme string
-
-		// Validator is a function to validate key.
-		// Required.
-		Validator KeyAuthValidator
-	}
-
-	// KeyAuthValidator defines a function to validate KeyAuth credentials.
-	KeyAuthValidator func(string, echo.Context) (bool, error)
-
-	keyExtractor func(echo.Context) (string, error)
-)
-
-var (
-	// DefaultKeyAuthConfig is the default KeyAuth middleware config.
-	DefaultKeyAuthConfig = KeyAuthConfig{
-		Skipper:    DefaultSkipper,
-		KeyLookup:  "header:" + echo.HeaderAuthorization,
-		AuthScheme: "Bearer",
-	}
-)
-
-// KeyAuth returns an KeyAuth middleware.
-//
-// For valid key it calls the next handler.
-// For invalid key, it sends "401 - Unauthorized" response.
-// For missing key, it sends "400 - Bad Request" response.
-func KeyAuth(fn KeyAuthValidator) echo.MiddlewareFunc {
-	c := DefaultKeyAuthConfig
-	c.Validator = fn
-	return KeyAuthWithConfig(c)
-}
-
-// KeyAuthWithConfig returns an KeyAuth middleware with config.
-// See `KeyAuth()`.
-func KeyAuthWithConfig(config KeyAuthConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultKeyAuthConfig.Skipper
-	}
-	// Defaults
-	if config.AuthScheme == "" {
-		config.AuthScheme = DefaultKeyAuthConfig.AuthScheme
-	}
-	if config.KeyLookup == "" {
-		config.KeyLookup = DefaultKeyAuthConfig.KeyLookup
-	}
-	if config.Validator == nil {
-		panic("echo: key-auth middleware requires a validator function")
-	}
-
-	// Initialize
-	parts := strings.Split(config.KeyLookup, ":")
-	extractor := keyFromHeader(parts[1], config.AuthScheme)
-	switch parts[0] {
-	case "query":
-		extractor = keyFromQuery(parts[1])
-	case "form":
-		extractor = keyFromForm(parts[1])
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			// Extract and verify key
-			key, err := extractor(c)
-			if err != nil {
-				return echo.NewHTTPError(http.StatusBadRequest, err.Error())
-			}
-			valid, err := config.Validator(key, c)
-			if err != nil {
-				return err
-			} else if valid {
-				return next(c)
-			}
-
-			return echo.ErrUnauthorized
-		}
-	}
-}
-
-// keyFromHeader returns a `keyExtractor` that extracts key from the request header.
-func keyFromHeader(header string, authScheme string) keyExtractor {
-	return func(c echo.Context) (string, error) {
-		auth := c.Request().Header.Get(header)
-		if auth == "" {
-			return "", errors.New("missing key in request header")
-		}
-		if header == echo.HeaderAuthorization {
-			l := len(authScheme)
-			if len(auth) > l+1 && auth[:l] == authScheme {
-				return auth[l+1:], nil
-			}
-			return "", errors.New("invalid key in the request header")
-		}
-		return auth, nil
-	}
-}
-
-// keyFromQuery returns a `keyExtractor` that extracts key from the query string.
-func keyFromQuery(param string) keyExtractor {
-	return func(c echo.Context) (string, error) {
-		key := c.QueryParam(param)
-		if key == "" {
-			return "", errors.New("missing key in the query string")
-		}
-		return key, nil
-	}
-}
-
-// keyFromForm returns a `keyExtractor` that extracts key from the form.
-func keyFromForm(param string) keyExtractor {
-	return func(c echo.Context) (string, error) {
-		key := c.FormValue(param)
-		if key == "" {
-			return "", errors.New("missing key in the form")
-		}
-		return key, nil
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/logger.go b/vendor/github.com/labstack/echo/middleware/logger.go
deleted file mode 100644
index 87af575f..00000000
--- a/vendor/github.com/labstack/echo/middleware/logger.go
+++ /dev/null
@@ -1,209 +0,0 @@
-package middleware
-
-import (
-	"bytes"
-	"io"
-	"os"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/labstack/echo"
-	"github.com/labstack/gommon/color"
-	"github.com/valyala/fasttemplate"
-)
-
-type (
-	// LoggerConfig defines the config for Logger middleware.
-	LoggerConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Tags to constructed the logger format.
-		//
-		// - time_unix
-		// - time_unix_nano
-		// - time_rfc3339
-		// - time_rfc3339_nano
-		// - time_custom
-		// - id (Request ID)
-		// - remote_ip
-		// - uri
-		// - host
-		// - method
-		// - path
-		// - referer
-		// - user_agent
-		// - status
-		// - latency (In nanoseconds)
-		// - latency_human (Human readable)
-		// - bytes_in (Bytes received)
-		// - bytes_out (Bytes sent)
-		// - header:<NAME>
-		// - query:<NAME>
-		// - form:<NAME>
-		//
-		// Example "${remote_ip} ${status}"
-		//
-		// Optional. Default value DefaultLoggerConfig.Format.
-		Format string `yaml:"format"`
-
-		// Optional. Default value DefaultLoggerConfig.CustomTimeFormat.
-		CustomTimeFormat string `yaml:"custom_time_format"`
-
-		// Output is a writer where logs in JSON format are written.
-		// Optional. Default value os.Stdout.
-		Output io.Writer
-
-		template *fasttemplate.Template
-		colorer  *color.Color
-		pool     *sync.Pool
-	}
-)
-
-var (
-	// DefaultLoggerConfig is the default Logger middleware config.
-	DefaultLoggerConfig = LoggerConfig{
-		Skipper: DefaultSkipper,
-		Format: `{"time":"${time_rfc3339_nano}","id":"${id}","remote_ip":"${remote_ip}","host":"${host}",` +
-			`"method":"${method}","uri":"${uri}","status":${status}, "latency":${latency},` +
-			`"latency_human":"${latency_human}","bytes_in":${bytes_in},` +
-			`"bytes_out":${bytes_out}}` + "\n",
-		CustomTimeFormat: "2006-01-02 15:04:05.00000",
-		Output:           os.Stdout,
-		colorer:          color.New(),
-	}
-)
-
-// Logger returns a middleware that logs HTTP requests.
-func Logger() echo.MiddlewareFunc {
-	return LoggerWithConfig(DefaultLoggerConfig)
-}
-
-// LoggerWithConfig returns a Logger middleware with config.
-// See: `Logger()`.
-func LoggerWithConfig(config LoggerConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultLoggerConfig.Skipper
-	}
-	if config.Format == "" {
-		config.Format = DefaultLoggerConfig.Format
-	}
-	if config.Output == nil {
-		config.Output = DefaultLoggerConfig.Output
-	}
-
-	config.template = fasttemplate.New(config.Format, "${", "}")
-	config.colorer = color.New()
-	config.colorer.SetOutput(config.Output)
-	config.pool = &sync.Pool{
-		New: func() interface{} {
-			return bytes.NewBuffer(make([]byte, 256))
-		},
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) (err error) {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			res := c.Response()
-			start := time.Now()
-			if err = next(c); err != nil {
-				c.Error(err)
-			}
-			stop := time.Now()
-			buf := config.pool.Get().(*bytes.Buffer)
-			buf.Reset()
-			defer config.pool.Put(buf)
-
-			if _, err = config.template.ExecuteFunc(buf, func(w io.Writer, tag string) (int, error) {
-				switch tag {
-				case "time_unix":
-					return buf.WriteString(strconv.FormatInt(time.Now().Unix(), 10))
-				case "time_unix_nano":
-					return buf.WriteString(strconv.FormatInt(time.Now().UnixNano(), 10))
-				case "time_rfc3339":
-					return buf.WriteString(time.Now().Format(time.RFC3339))
-				case "time_rfc3339_nano":
-					return buf.WriteString(time.Now().Format(time.RFC3339Nano))
-				case "time_custom":
-					return buf.WriteString(time.Now().Format(config.CustomTimeFormat))
-				case "id":
-					id := req.Header.Get(echo.HeaderXRequestID)
-					if id == "" {
-						id = res.Header().Get(echo.HeaderXRequestID)
-					}
-					return buf.WriteString(id)
-				case "remote_ip":
-					return buf.WriteString(c.RealIP())
-				case "host":
-					return buf.WriteString(req.Host)
-				case "uri":
-					return buf.WriteString(req.RequestURI)
-				case "method":
-					return buf.WriteString(req.Method)
-				case "path":
-					p := req.URL.Path
-					if p == "" {
-						p = "/"
-					}
-					return buf.WriteString(p)
-				case "referer":
-					return buf.WriteString(req.Referer())
-				case "user_agent":
-					return buf.WriteString(req.UserAgent())
-				case "status":
-					n := res.Status
-					s := config.colorer.Green(n)
-					switch {
-					case n >= 500:
-						s = config.colorer.Red(n)
-					case n >= 400:
-						s = config.colorer.Yellow(n)
-					case n >= 300:
-						s = config.colorer.Cyan(n)
-					}
-					return buf.WriteString(s)
-				case "latency":
-					l := stop.Sub(start)
-					return buf.WriteString(strconv.FormatInt(int64(l), 10))
-				case "latency_human":
-					return buf.WriteString(stop.Sub(start).String())
-				case "bytes_in":
-					cl := req.Header.Get(echo.HeaderContentLength)
-					if cl == "" {
-						cl = "0"
-					}
-					return buf.WriteString(cl)
-				case "bytes_out":
-					return buf.WriteString(strconv.FormatInt(res.Size, 10))
-				default:
-					switch {
-					case strings.HasPrefix(tag, "header:"):
-						return buf.Write([]byte(c.Request().Header.Get(tag[7:])))
-					case strings.HasPrefix(tag, "query:"):
-						return buf.Write([]byte(c.QueryParam(tag[6:])))
-					case strings.HasPrefix(tag, "form:"):
-						return buf.Write([]byte(c.FormValue(tag[5:])))
-					case strings.HasPrefix(tag, "cookie:"):
-						cookie, err := c.Cookie(tag[7:])
-						if err == nil {
-							return buf.Write([]byte(cookie.Value))
-						}
-					}
-				}
-				return 0, nil
-			}); err != nil {
-				return
-			}
-
-			_, err = config.Output.Write(buf.Bytes())
-			return
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/method_override.go b/vendor/github.com/labstack/echo/middleware/method_override.go
deleted file mode 100644
index 955fd11e..00000000
--- a/vendor/github.com/labstack/echo/middleware/method_override.go
+++ /dev/null
@@ -1,88 +0,0 @@
-package middleware
-
-import "github.com/labstack/echo"
-
-type (
-	// MethodOverrideConfig defines the config for MethodOverride middleware.
-	MethodOverrideConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Getter is a function that gets overridden method from the request.
-		// Optional. Default values MethodFromHeader(echo.HeaderXHTTPMethodOverride).
-		Getter MethodOverrideGetter
-	}
-
-	// MethodOverrideGetter is a function that gets overridden method from the request
-	MethodOverrideGetter func(echo.Context) string
-)
-
-var (
-	// DefaultMethodOverrideConfig is the default MethodOverride middleware config.
-	DefaultMethodOverrideConfig = MethodOverrideConfig{
-		Skipper: DefaultSkipper,
-		Getter:  MethodFromHeader(echo.HeaderXHTTPMethodOverride),
-	}
-)
-
-// MethodOverride returns a MethodOverride middleware.
-// MethodOverride  middleware checks for the overridden method from the request and
-// uses it instead of the original method.
-//
-// For security reasons, only `POST` method can be overridden.
-func MethodOverride() echo.MiddlewareFunc {
-	return MethodOverrideWithConfig(DefaultMethodOverrideConfig)
-}
-
-// MethodOverrideWithConfig returns a MethodOverride middleware with config.
-// See: `MethodOverride()`.
-func MethodOverrideWithConfig(config MethodOverrideConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultMethodOverrideConfig.Skipper
-	}
-	if config.Getter == nil {
-		config.Getter = DefaultMethodOverrideConfig.Getter
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			if req.Method == echo.POST {
-				m := config.Getter(c)
-				if m != "" {
-					req.Method = m
-				}
-			}
-			return next(c)
-		}
-	}
-}
-
-// MethodFromHeader is a `MethodOverrideGetter` that gets overridden method from
-// the request header.
-func MethodFromHeader(header string) MethodOverrideGetter {
-	return func(c echo.Context) string {
-		return c.Request().Header.Get(header)
-	}
-}
-
-// MethodFromForm is a `MethodOverrideGetter` that gets overridden method from the
-// form parameter.
-func MethodFromForm(param string) MethodOverrideGetter {
-	return func(c echo.Context) string {
-		return c.FormValue(param)
-	}
-}
-
-// MethodFromQuery is a `MethodOverrideGetter` that gets overridden method from
-// the query parameter.
-func MethodFromQuery(param string) MethodOverrideGetter {
-	return func(c echo.Context) string {
-		return c.QueryParam(param)
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/middleware.go b/vendor/github.com/labstack/echo/middleware/middleware.go
deleted file mode 100644
index 71f95db7..00000000
--- a/vendor/github.com/labstack/echo/middleware/middleware.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package middleware
-
-import (
-	"regexp"
-	"strconv"
-	"strings"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// Skipper defines a function to skip middleware. Returning true skips processing
-	// the middleware.
-	Skipper func(c echo.Context) bool
-)
-
-func captureTokens(pattern *regexp.Regexp, input string) *strings.Replacer {
-	groups := pattern.FindAllStringSubmatch(input, -1)
-	if groups == nil {
-		return nil
-	}
-	values := groups[0][1:]
-	replace := make([]string, 2*len(values))
-	for i, v := range values {
-		j := 2 * i
-		replace[j] = "$" + strconv.Itoa(i+1)
-		replace[j+1] = v
-	}
-	return strings.NewReplacer(replace...)
-}
-
-// DefaultSkipper returns false which processes the middleware.
-func DefaultSkipper(echo.Context) bool {
-	return false
-}
diff --git a/vendor/github.com/labstack/echo/middleware/proxy.go b/vendor/github.com/labstack/echo/middleware/proxy.go
deleted file mode 100644
index f6147737..00000000
--- a/vendor/github.com/labstack/echo/middleware/proxy.go
+++ /dev/null
@@ -1,252 +0,0 @@
-package middleware
-
-import (
-	"fmt"
-	"io"
-	"math/rand"
-	"net"
-	"net/http"
-	"net/http/httputil"
-	"net/url"
-	"regexp"
-	"strings"
-	"sync"
-	"sync/atomic"
-	"time"
-
-	"github.com/labstack/echo"
-)
-
-// TODO: Handle TLS proxy
-
-type (
-	// ProxyConfig defines the config for Proxy middleware.
-	ProxyConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Balancer defines a load balancing technique.
-		// Required.
-		Balancer ProxyBalancer
-
-		// Rewrite defines URL path rewrite rules. The values captured in asterisk can be
-		// retrieved by index e.g. $1, $2 and so on.
-		// Examples:
-		// "/old":              "/new",
-		// "/api/*":            "/$1",
-		// "/js/*":             "/public/javascripts/$1",
-		// "/users/*/orders/*": "/user/$1/order/$2",
-		Rewrite map[string]string
-
-		rewriteRegex map[*regexp.Regexp]string
-	}
-
-	// ProxyTarget defines the upstream target.
-	ProxyTarget struct {
-		Name string
-		URL  *url.URL
-	}
-
-	// ProxyBalancer defines an interface to implement a load balancing technique.
-	ProxyBalancer interface {
-		AddTarget(*ProxyTarget) bool
-		RemoveTarget(string) bool
-		Next() *ProxyTarget
-	}
-
-	commonBalancer struct {
-		targets []*ProxyTarget
-		mutex   sync.RWMutex
-	}
-
-	// RandomBalancer implements a random load balancing technique.
-	randomBalancer struct {
-		*commonBalancer
-		random *rand.Rand
-	}
-
-	// RoundRobinBalancer implements a round-robin load balancing technique.
-	roundRobinBalancer struct {
-		*commonBalancer
-		i uint32
-	}
-)
-
-var (
-	// DefaultProxyConfig is the default Proxy middleware config.
-	DefaultProxyConfig = ProxyConfig{
-		Skipper: DefaultSkipper,
-	}
-)
-
-func proxyHTTP(t *ProxyTarget) http.Handler {
-	return httputil.NewSingleHostReverseProxy(t.URL)
-}
-
-func proxyRaw(t *ProxyTarget, c echo.Context) http.Handler {
-	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		in, _, err := c.Response().Hijack()
-		if err != nil {
-			c.Error(fmt.Errorf("proxy raw, hijack error=%v, url=%s", t.URL, err))
-			return
-		}
-		defer in.Close()
-
-		out, err := net.Dial("tcp", t.URL.Host)
-		if err != nil {
-			he := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, dial error=%v, url=%s", t.URL, err))
-			c.Error(he)
-			return
-		}
-		defer out.Close()
-
-		// Write header
-		err = r.Write(out)
-		if err != nil {
-			he := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, request header copy error=%v, url=%s", t.URL, err))
-			c.Error(he)
-			return
-		}
-
-		errCh := make(chan error, 2)
-		cp := func(dst io.Writer, src io.Reader) {
-			_, err = io.Copy(dst, src)
-			errCh <- err
-		}
-
-		go cp(out, in)
-		go cp(in, out)
-		err = <-errCh
-		if err != nil && err != io.EOF {
-			c.Logger().Errorf("proxy raw, copy body error=%v, url=%s", t.URL, err)
-		}
-	})
-}
-
-// NewRandomBalancer returns a random proxy balancer.
-func NewRandomBalancer(targets []*ProxyTarget) ProxyBalancer {
-	b := &randomBalancer{commonBalancer: new(commonBalancer)}
-	b.targets = targets
-	return b
-}
-
-// NewRoundRobinBalancer returns a round-robin proxy balancer.
-func NewRoundRobinBalancer(targets []*ProxyTarget) ProxyBalancer {
-	b := &roundRobinBalancer{commonBalancer: new(commonBalancer)}
-	b.targets = targets
-	return b
-}
-
-// AddTarget adds an upstream target to the list.
-func (b *commonBalancer) AddTarget(target *ProxyTarget) bool {
-	for _, t := range b.targets {
-		if t.Name == target.Name {
-			return false
-		}
-	}
-	b.mutex.Lock()
-	defer b.mutex.Unlock()
-	b.targets = append(b.targets, target)
-	return true
-}
-
-// RemoveTarget removes an upstream target from the list.
-func (b *commonBalancer) RemoveTarget(name string) bool {
-	b.mutex.Lock()
-	defer b.mutex.Unlock()
-	for i, t := range b.targets {
-		if t.Name == name {
-			b.targets = append(b.targets[:i], b.targets[i+1:]...)
-			return true
-		}
-	}
-	return false
-}
-
-// Next randomly returns an upstream target.
-func (b *randomBalancer) Next() *ProxyTarget {
-	if b.random == nil {
-		b.random = rand.New(rand.NewSource(int64(time.Now().Nanosecond())))
-	}
-	b.mutex.RLock()
-	defer b.mutex.RUnlock()
-	return b.targets[b.random.Intn(len(b.targets))]
-}
-
-// Next returns an upstream target using round-robin technique.
-func (b *roundRobinBalancer) Next() *ProxyTarget {
-	b.i = b.i % uint32(len(b.targets))
-	t := b.targets[b.i]
-	atomic.AddUint32(&b.i, 1)
-	return t
-}
-
-// Proxy returns a Proxy middleware.
-//
-// Proxy middleware forwards the request to upstream server using a configured load balancing technique.
-func Proxy(balancer ProxyBalancer) echo.MiddlewareFunc {
-	c := DefaultProxyConfig
-	c.Balancer = balancer
-	return ProxyWithConfig(c)
-}
-
-// ProxyWithConfig returns a Proxy middleware with config.
-// See: `Proxy()`
-func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultLoggerConfig.Skipper
-	}
-	if config.Balancer == nil {
-		panic("echo: proxy middleware requires balancer")
-	}
-	config.rewriteRegex = map[*regexp.Regexp]string{}
-
-	// Initialize
-	for k, v := range config.Rewrite {
-		k = strings.Replace(k, "*", "(\\S*)", -1)
-		config.rewriteRegex[regexp.MustCompile(k)] = v
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) (err error) {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			res := c.Response()
-			tgt := config.Balancer.Next()
-
-			// Rewrite
-			for k, v := range config.rewriteRegex {
-				replacer := captureTokens(k, req.URL.Path)
-				if replacer != nil {
-					req.URL.Path = replacer.Replace(v)
-				}
-			}
-
-			// Fix header
-			if req.Header.Get(echo.HeaderXRealIP) == "" {
-				req.Header.Set(echo.HeaderXRealIP, c.RealIP())
-			}
-			if req.Header.Get(echo.HeaderXForwardedProto) == "" {
-				req.Header.Set(echo.HeaderXForwardedProto, c.Scheme())
-			}
-			if c.IsWebSocket() && req.Header.Get(echo.HeaderXForwardedFor) == "" { // For HTTP, it is automatically set by Go HTTP reverse proxy.
-				req.Header.Set(echo.HeaderXForwardedFor, c.RealIP())
-			}
-
-			// Proxy
-			switch {
-			case c.IsWebSocket():
-				proxyRaw(tgt, c).ServeHTTP(res, req)
-			case req.Header.Get(echo.HeaderAccept) == "text/event-stream":
-			default:
-				proxyHTTP(tgt).ServeHTTP(res, req)
-			}
-
-			return
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/recover.go b/vendor/github.com/labstack/echo/middleware/recover.go
deleted file mode 100644
index 2a42c5b1..00000000
--- a/vendor/github.com/labstack/echo/middleware/recover.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package middleware
-
-import (
-	"fmt"
-	"runtime"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// RecoverConfig defines the config for Recover middleware.
-	RecoverConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Size of the stack to be printed.
-		// Optional. Default value 4KB.
-		StackSize int `yaml:"stack_size"`
-
-		// DisableStackAll disables formatting stack traces of all other goroutines
-		// into buffer after the trace for the current goroutine.
-		// Optional. Default value false.
-		DisableStackAll bool `yaml:"disable_stack_all"`
-
-		// DisablePrintStack disables printing stack trace.
-		// Optional. Default value as false.
-		DisablePrintStack bool `yaml:"disable_print_stack"`
-	}
-)
-
-var (
-	// DefaultRecoverConfig is the default Recover middleware config.
-	DefaultRecoverConfig = RecoverConfig{
-		Skipper:           DefaultSkipper,
-		StackSize:         4 << 10, // 4 KB
-		DisableStackAll:   false,
-		DisablePrintStack: false,
-	}
-)
-
-// Recover returns a middleware which recovers from panics anywhere in the chain
-// and handles the control to the centralized HTTPErrorHandler.
-func Recover() echo.MiddlewareFunc {
-	return RecoverWithConfig(DefaultRecoverConfig)
-}
-
-// RecoverWithConfig returns a Recover middleware with config.
-// See: `Recover()`.
-func RecoverWithConfig(config RecoverConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultRecoverConfig.Skipper
-	}
-	if config.StackSize == 0 {
-		config.StackSize = DefaultRecoverConfig.StackSize
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			defer func() {
-				if r := recover(); r != nil {
-					err, ok := r.(error)
-					if !ok {
-						err = fmt.Errorf("%v", r)
-					}
-					stack := make([]byte, config.StackSize)
-					length := runtime.Stack(stack, !config.DisableStackAll)
-					if !config.DisablePrintStack {
-						c.Logger().Printf("[PANIC RECOVER] %v %s\n", err, stack[:length])
-					}
-					c.Error(err)
-				}
-			}()
-			return next(c)
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/redirect.go b/vendor/github.com/labstack/echo/middleware/redirect.go
deleted file mode 100644
index 422263de..00000000
--- a/vendor/github.com/labstack/echo/middleware/redirect.go
+++ /dev/null
@@ -1,153 +0,0 @@
-package middleware
-
-import (
-	"net/http"
-
-	"github.com/labstack/echo"
-)
-
-// RedirectConfig defines the config for Redirect middleware.
-type RedirectConfig struct {
-	// Skipper defines a function to skip middleware.
-	Skipper
-
-	// Status code to be used when redirecting the request.
-	// Optional. Default value http.StatusMovedPermanently.
-	Code int `yaml:"code"`
-}
-
-// redirectLogic represents a function that given a scheme, host and uri
-// can both: 1) determine if redirect is needed (will set ok accordingly) and
-// 2) return the appropriate redirect url.
-type redirectLogic func(scheme, host, uri string) (ok bool, url string)
-
-const www = "www"
-
-// DefaultRedirectConfig is the default Redirect middleware config.
-var DefaultRedirectConfig = RedirectConfig{
-	Skipper: DefaultSkipper,
-	Code:    http.StatusMovedPermanently,
-}
-
-// HTTPSRedirect redirects http requests to https.
-// For example, http://labstack.com will be redirect to https://labstack.com.
-//
-// Usage `Echo#Pre(HTTPSRedirect())`
-func HTTPSRedirect() echo.MiddlewareFunc {
-	return HTTPSRedirectWithConfig(DefaultRedirectConfig)
-}
-
-// HTTPSRedirectWithConfig returns an HTTPSRedirect middleware with config.
-// See `HTTPSRedirect()`.
-func HTTPSRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
-		if ok = scheme != "https"; ok {
-			url = "https://" + host + uri
-		}
-		return
-	})
-}
-
-// HTTPSWWWRedirect redirects http requests to https www.
-// For example, http://labstack.com will be redirect to https://www.labstack.com.
-//
-// Usage `Echo#Pre(HTTPSWWWRedirect())`
-func HTTPSWWWRedirect() echo.MiddlewareFunc {
-	return HTTPSWWWRedirectWithConfig(DefaultRedirectConfig)
-}
-
-// HTTPSWWWRedirectWithConfig returns an HTTPSRedirect middleware with config.
-// See `HTTPSWWWRedirect()`.
-func HTTPSWWWRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
-		if ok = scheme != "https" && host[:3] != www; ok {
-			url = "https://www." + host + uri
-		}
-		return
-	})
-}
-
-// HTTPSNonWWWRedirect redirects http requests to https non www.
-// For example, http://www.labstack.com will be redirect to https://labstack.com.
-//
-// Usage `Echo#Pre(HTTPSNonWWWRedirect())`
-func HTTPSNonWWWRedirect() echo.MiddlewareFunc {
-	return HTTPSNonWWWRedirectWithConfig(DefaultRedirectConfig)
-}
-
-// HTTPSNonWWWRedirectWithConfig returns an HTTPSRedirect middleware with config.
-// See `HTTPSNonWWWRedirect()`.
-func HTTPSNonWWWRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
-		if ok = scheme != "https"; ok {
-			if host[:3] == www {
-				host = host[4:]
-			}
-			url = "https://" + host + uri
-		}
-		return
-	})
-}
-
-// WWWRedirect redirects non www requests to www.
-// For example, http://labstack.com will be redirect to http://www.labstack.com.
-//
-// Usage `Echo#Pre(WWWRedirect())`
-func WWWRedirect() echo.MiddlewareFunc {
-	return WWWRedirectWithConfig(DefaultRedirectConfig)
-}
-
-// WWWRedirectWithConfig returns an HTTPSRedirect middleware with config.
-// See `WWWRedirect()`.
-func WWWRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
-		if ok = host[:3] != www; ok {
-			url = scheme + "://www." + host + uri
-		}
-		return
-	})
-}
-
-// NonWWWRedirect redirects www requests to non www.
-// For example, http://www.labstack.com will be redirect to http://labstack.com.
-//
-// Usage `Echo#Pre(NonWWWRedirect())`
-func NonWWWRedirect() echo.MiddlewareFunc {
-	return NonWWWRedirectWithConfig(DefaultRedirectConfig)
-}
-
-// NonWWWRedirectWithConfig returns an HTTPSRedirect middleware with config.
-// See `NonWWWRedirect()`.
-func NonWWWRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
-		if ok = host[:3] == www; ok {
-			url = scheme + "://" + host[4:] + uri
-		}
-		return
-	})
-}
-
-func redirect(config RedirectConfig, cb redirectLogic) echo.MiddlewareFunc {
-	if config.Skipper == nil {
-		config.Skipper = DefaultTrailingSlashConfig.Skipper
-	}
-	if config.Code == 0 {
-		config.Code = DefaultRedirectConfig.Code
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req, scheme := c.Request(), c.Scheme()
-			host := req.Host
-			if ok, url := cb(scheme, host, req.RequestURI); ok {
-				return c.Redirect(config.Code, url)
-			}
-
-			return next(c)
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/request_id.go b/vendor/github.com/labstack/echo/middleware/request_id.go
deleted file mode 100644
index f376c296..00000000
--- a/vendor/github.com/labstack/echo/middleware/request_id.go
+++ /dev/null
@@ -1,64 +0,0 @@
-package middleware
-
-import (
-	"github.com/labstack/echo"
-	"github.com/labstack/gommon/random"
-)
-
-type (
-	// RequestIDConfig defines the config for RequestID middleware.
-	RequestIDConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Generator defines a function to generate an ID.
-		// Optional. Default value random.String(32).
-		Generator func() string
-	}
-)
-
-var (
-	// DefaultRequestIDConfig is the default RequestID middleware config.
-	DefaultRequestIDConfig = RequestIDConfig{
-		Skipper:   DefaultSkipper,
-		Generator: generator,
-	}
-)
-
-// RequestID returns a X-Request-ID middleware.
-func RequestID() echo.MiddlewareFunc {
-	return RequestIDWithConfig(DefaultRequestIDConfig)
-}
-
-// RequestIDWithConfig returns a X-Request-ID middleware with config.
-func RequestIDWithConfig(config RequestIDConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultRequestIDConfig.Skipper
-	}
-	if config.Generator == nil {
-		config.Generator = generator
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			res := c.Response()
-			rid := req.Header.Get(echo.HeaderXRequestID)
-			if rid == "" {
-				rid = config.Generator()
-			}
-			res.Header().Set(echo.HeaderXRequestID, rid)
-
-			return next(c)
-		}
-	}
-}
-
-func generator() string {
-	return random.String(32)
-}
diff --git a/vendor/github.com/labstack/echo/middleware/rewrite.go b/vendor/github.com/labstack/echo/middleware/rewrite.go
deleted file mode 100644
index 60a59bec..00000000
--- a/vendor/github.com/labstack/echo/middleware/rewrite.go
+++ /dev/null
@@ -1,83 +0,0 @@
-package middleware
-
-import (
-	"regexp"
-	"strings"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// RewriteConfig defines the config for Rewrite middleware.
-	RewriteConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Rules defines the URL path rewrite rules. The values captured in asterisk can be
-		// retrieved by index e.g. $1, $2 and so on.
-		// Example:
-		// "/old":              "/new",
-		// "/api/*":            "/$1",
-		// "/js/*":             "/public/javascripts/$1",
-		// "/users/*/orders/*": "/user/$1/order/$2",
-		// Required.
-		Rules map[string]string `yaml:"rules"`
-
-		rulesRegex map[*regexp.Regexp]string
-	}
-)
-
-var (
-	// DefaultRewriteConfig is the default Rewrite middleware config.
-	DefaultRewriteConfig = RewriteConfig{
-		Skipper: DefaultSkipper,
-	}
-)
-
-// Rewrite returns a Rewrite middleware.
-//
-// Rewrite middleware rewrites the URL path based on the provided rules.
-func Rewrite(rules map[string]string) echo.MiddlewareFunc {
-	c := DefaultRewriteConfig
-	c.Rules = rules
-	return RewriteWithConfig(c)
-}
-
-// RewriteWithConfig returns a Rewrite middleware with config.
-// See: `Rewrite()`.
-func RewriteWithConfig(config RewriteConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Rules == nil {
-		panic("echo: rewrite middleware requires url path rewrite rules")
-	}
-	if config.Skipper == nil {
-		config.Skipper = DefaultBodyDumpConfig.Skipper
-	}
-	config.rulesRegex = map[*regexp.Regexp]string{}
-
-	// Initialize
-	for k, v := range config.Rules {
-		k = strings.Replace(k, "*", "(\\S*)", -1)
-		config.rulesRegex[regexp.MustCompile(k)] = v
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) (err error) {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-
-			// Rewrite
-			for k, v := range config.rulesRegex {
-				replacer := captureTokens(k, req.URL.Path)
-				if replacer != nil {
-					req.URL.Path = replacer.Replace(v)
-				}
-			}
-
-			return next(c)
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/secure.go b/vendor/github.com/labstack/echo/middleware/secure.go
deleted file mode 100644
index 188c0c40..00000000
--- a/vendor/github.com/labstack/echo/middleware/secure.go
+++ /dev/null
@@ -1,116 +0,0 @@
-package middleware
-
-import (
-	"fmt"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// SecureConfig defines the config for Secure middleware.
-	SecureConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// XSSProtection provides protection against cross-site scripting attack (XSS)
-		// by setting the `X-XSS-Protection` header.
-		// Optional. Default value "1; mode=block".
-		XSSProtection string `yaml:"xss_protection"`
-
-		// ContentTypeNosniff provides protection against overriding Content-Type
-		// header by setting the `X-Content-Type-Options` header.
-		// Optional. Default value "nosniff".
-		ContentTypeNosniff string `yaml:"content_type_nosniff"`
-
-		// XFrameOptions can be used to indicate whether or not a browser should
-		// be allowed to render a page in a <frame>, <iframe> or <object> .
-		// Sites can use this to avoid clickjacking attacks, by ensuring that their
-		// content is not embedded into other sites.provides protection against
-		// clickjacking.
-		// Optional. Default value "SAMEORIGIN".
-		// Possible values:
-		// - "SAMEORIGIN" - The page can only be displayed in a frame on the same origin as the page itself.
-		// - "DENY" - The page cannot be displayed in a frame, regardless of the site attempting to do so.
-		// - "ALLOW-FROM uri" - The page can only be displayed in a frame on the specified origin.
-		XFrameOptions string `yaml:"x_frame_options"`
-
-		// HSTSMaxAge sets the `Strict-Transport-Security` header to indicate how
-		// long (in seconds) browsers should remember that this site is only to
-		// be accessed using HTTPS. This reduces your exposure to some SSL-stripping
-		// man-in-the-middle (MITM) attacks.
-		// Optional. Default value 0.
-		HSTSMaxAge int `yaml:"hsts_max_age"`
-
-		// HSTSExcludeSubdomains won't include subdomains tag in the `Strict Transport Security`
-		// header, excluding all subdomains from security policy. It has no effect
-		// unless HSTSMaxAge is set to a non-zero value.
-		// Optional. Default value false.
-		HSTSExcludeSubdomains bool `yaml:"hsts_exclude_subdomains"`
-
-		// ContentSecurityPolicy sets the `Content-Security-Policy` header providing
-		// security against cross-site scripting (XSS), clickjacking and other code
-		// injection attacks resulting from execution of malicious content in the
-		// trusted web page context.
-		// Optional. Default value "".
-		ContentSecurityPolicy string `yaml:"content_security_policy"`
-	}
-)
-
-var (
-	// DefaultSecureConfig is the default Secure middleware config.
-	DefaultSecureConfig = SecureConfig{
-		Skipper:            DefaultSkipper,
-		XSSProtection:      "1; mode=block",
-		ContentTypeNosniff: "nosniff",
-		XFrameOptions:      "SAMEORIGIN",
-	}
-)
-
-// Secure returns a Secure middleware.
-// Secure middleware provides protection against cross-site scripting (XSS) attack,
-// content type sniffing, clickjacking, insecure connection and other code injection
-// attacks.
-func Secure() echo.MiddlewareFunc {
-	return SecureWithConfig(DefaultSecureConfig)
-}
-
-// SecureWithConfig returns a Secure middleware with config.
-// See: `Secure()`.
-func SecureWithConfig(config SecureConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultSecureConfig.Skipper
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			res := c.Response()
-
-			if config.XSSProtection != "" {
-				res.Header().Set(echo.HeaderXXSSProtection, config.XSSProtection)
-			}
-			if config.ContentTypeNosniff != "" {
-				res.Header().Set(echo.HeaderXContentTypeOptions, config.ContentTypeNosniff)
-			}
-			if config.XFrameOptions != "" {
-				res.Header().Set(echo.HeaderXFrameOptions, config.XFrameOptions)
-			}
-			if (c.IsTLS() || (req.Header.Get(echo.HeaderXForwardedProto) == "https")) && config.HSTSMaxAge != 0 {
-				subdomains := ""
-				if !config.HSTSExcludeSubdomains {
-					subdomains = "; includeSubdomains"
-				}
-				res.Header().Set(echo.HeaderStrictTransportSecurity, fmt.Sprintf("max-age=%d%s", config.HSTSMaxAge, subdomains))
-			}
-			if config.ContentSecurityPolicy != "" {
-				res.Header().Set(echo.HeaderContentSecurityPolicy, config.ContentSecurityPolicy)
-			}
-			return next(c)
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/slash.go b/vendor/github.com/labstack/echo/middleware/slash.go
deleted file mode 100644
index 9af56caf..00000000
--- a/vendor/github.com/labstack/echo/middleware/slash.go
+++ /dev/null
@@ -1,119 +0,0 @@
-package middleware
-
-import (
-	"github.com/labstack/echo"
-)
-
-type (
-	// TrailingSlashConfig defines the config for TrailingSlash middleware.
-	TrailingSlashConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Status code to be used when redirecting the request.
-		// Optional, but when provided the request is redirected using this code.
-		RedirectCode int `yaml:"redirect_code"`
-	}
-)
-
-var (
-	// DefaultTrailingSlashConfig is the default TrailingSlash middleware config.
-	DefaultTrailingSlashConfig = TrailingSlashConfig{
-		Skipper: DefaultSkipper,
-	}
-)
-
-// AddTrailingSlash returns a root level (before router) middleware which adds a
-// trailing slash to the request `URL#Path`.
-//
-// Usage `Echo#Pre(AddTrailingSlash())`
-func AddTrailingSlash() echo.MiddlewareFunc {
-	return AddTrailingSlashWithConfig(DefaultTrailingSlashConfig)
-}
-
-// AddTrailingSlashWithConfig returns a AddTrailingSlash middleware with config.
-// See `AddTrailingSlash()`.
-func AddTrailingSlashWithConfig(config TrailingSlashConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultTrailingSlashConfig.Skipper
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			url := req.URL
-			path := url.Path
-			qs := c.QueryString()
-			if path != "/" && path[len(path)-1] != '/' {
-				path += "/"
-				uri := path
-				if qs != "" {
-					uri += "?" + qs
-				}
-
-				// Redirect
-				if config.RedirectCode != 0 {
-					return c.Redirect(config.RedirectCode, uri)
-				}
-
-				// Forward
-				req.RequestURI = uri
-				url.Path = path
-			}
-			return next(c)
-		}
-	}
-}
-
-// RemoveTrailingSlash returns a root level (before router) middleware which removes
-// a trailing slash from the request URI.
-//
-// Usage `Echo#Pre(RemoveTrailingSlash())`
-func RemoveTrailingSlash() echo.MiddlewareFunc {
-	return RemoveTrailingSlashWithConfig(TrailingSlashConfig{})
-}
-
-// RemoveTrailingSlashWithConfig returns a RemoveTrailingSlash middleware with config.
-// See `RemoveTrailingSlash()`.
-func RemoveTrailingSlashWithConfig(config TrailingSlashConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultTrailingSlashConfig.Skipper
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			req := c.Request()
-			url := req.URL
-			path := url.Path
-			qs := c.QueryString()
-			l := len(path) - 1
-			if l >= 0 && path != "/" && path[l] == '/' {
-				path = path[:l]
-				uri := path
-				if qs != "" {
-					uri += "?" + qs
-				}
-
-				// Redirect
-				if config.RedirectCode != 0 {
-					return c.Redirect(config.RedirectCode, uri)
-				}
-
-				// Forward
-				req.RequestURI = uri
-				url.Path = path
-			}
-			return next(c)
-		}
-	}
-}
diff --git a/vendor/github.com/labstack/echo/middleware/static.go b/vendor/github.com/labstack/echo/middleware/static.go
deleted file mode 100644
index 55485f34..00000000
--- a/vendor/github.com/labstack/echo/middleware/static.go
+++ /dev/null
@@ -1,229 +0,0 @@
-package middleware
-
-import (
-	"fmt"
-	"html/template"
-	"net/http"
-	"net/url"
-	"os"
-	"path"
-	"path/filepath"
-	"strings"
-
-	"github.com/labstack/echo"
-	"github.com/labstack/gommon/bytes"
-)
-
-type (
-	// StaticConfig defines the config for Static middleware.
-	StaticConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Root directory from where the static content is served.
-		// Required.
-		Root string `yaml:"root"`
-
-		// Index file for serving a directory.
-		// Optional. Default value "index.html".
-		Index string `yaml:"index"`
-
-		// Enable HTML5 mode by forwarding all not-found requests to root so that
-		// SPA (single-page application) can handle the routing.
-		// Optional. Default value false.
-		HTML5 bool `yaml:"html5"`
-
-		// Enable directory browsing.
-		// Optional. Default value false.
-		Browse bool `yaml:"browse"`
-	}
-)
-
-const html = `
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <meta http-equiv="X-UA-Compatible" content="ie=edge">
-  <title>{{ .Name }}</title>
-  <style>
-    body {
-			font-family: Menlo, Consolas, monospace;
-			padding: 48px;
-		}
-		header {
-			padding: 4px 16px;
-			font-size: 24px;
-		}
-    ul {
-			list-style-type: none;
-			margin: 0;
-    	padding: 20px 0 0 0;
-			display: flex;
-			flex-wrap: wrap;
-    }
-    li {
-			width: 300px;
-			padding: 16px;
-		}
-		li a {
-			display: block;
-			overflow: hidden;
-			white-space: nowrap;
-			text-overflow: ellipsis;
-			text-decoration: none;
-			transition: opacity 0.25s;
-		}
-		li span {
-			color: #707070; 
-			font-size: 12px;
-		}
-		li a:hover {
-			opacity: 0.50;
-		}
-		.dir {
-			color: #E91E63;
-		}
-		.file {
-			color: #673AB7;
-		}
-  </style>
-</head>
-<body>
-	<header>
-		{{ .Name }}
-	</header>
-	<ul>
-		{{ range .Files }}
-		<li>
-		{{ if .Dir }}
-			{{ $name := print .Name "/" }}
-			<a class="dir" href="{{ $name }}">{{ $name }}</a>
-			{{ else }}
-			<a class="file" href="{{ .Name }}">{{ .Name }}</a>
-			<span>{{ .Size }}</span>
-		{{ end }}
-		</li>
-		{{ end }}
-  </ul>
-</body>
-</html>
-`
-
-var (
-	// DefaultStaticConfig is the default Static middleware config.
-	DefaultStaticConfig = StaticConfig{
-		Skipper: DefaultSkipper,
-		Index:   "index.html",
-	}
-)
-
-// Static returns a Static middleware to serves static content from the provided
-// root directory.
-func Static(root string) echo.MiddlewareFunc {
-	c := DefaultStaticConfig
-	c.Root = root
-	return StaticWithConfig(c)
-}
-
-// StaticWithConfig returns a Static middleware with config.
-// See `Static()`.
-func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Root == "" {
-		config.Root = "." // For security we want to restrict to CWD.
-	}
-	if config.Skipper == nil {
-		config.Skipper = DefaultStaticConfig.Skipper
-	}
-	if config.Index == "" {
-		config.Index = DefaultStaticConfig.Index
-	}
-
-	// Index template
-	t, err := template.New("index").Parse(html)
-	if err != nil {
-		panic(fmt.Sprintf("echo: %v", err))
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) (err error) {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			p := c.Request().URL.Path
-			if strings.HasSuffix(c.Path(), "*") { // When serving from a group, e.g. `/static*`.
-				p = c.Param("*")
-			}
-			p, err = url.PathUnescape(p)
-			if err != nil {
-				return
-			}
-			name := filepath.Join(config.Root, path.Clean("/"+p)) // "/"+ for security
-
-			fi, err := os.Stat(name)
-			if err != nil {
-				if os.IsNotExist(err) {
-					if err = next(c); err != nil {
-						if he, ok := err.(*echo.HTTPError); ok {
-							if config.HTML5 && he.Code == http.StatusNotFound {
-								return c.File(filepath.Join(config.Root, config.Index))
-							}
-						}
-						return
-					}
-				}
-				return
-			}
-
-			if fi.IsDir() {
-				index := filepath.Join(name, config.Index)
-				fi, err = os.Stat(index)
-
-				if err != nil {
-					if config.Browse {
-						return listDir(t, name, c.Response())
-					}
-					if os.IsNotExist(err) {
-						return next(c)
-					}
-					return
-				}
-
-				return c.File(index)
-			}
-
-			return c.File(name)
-		}
-	}
-}
-
-func listDir(t *template.Template, name string, res *echo.Response) (err error) {
-	file, err := os.Open(name)
-	if err != nil {
-		return
-	}
-	files, err := file.Readdir(-1)
-	if err != nil {
-		return
-	}
-
-	// Create directory index
-	res.Header().Set(echo.HeaderContentType, echo.MIMETextHTMLCharsetUTF8)
-	data := struct {
-		Name  string
-		Files []interface{}
-	}{
-		Name: name,
-	}
-	for _, f := range files {
-		data.Files = append(data.Files, struct {
-			Name string
-			Dir  bool
-			Size string
-		}{f.Name(), f.IsDir(), bytes.Format(f.Size())})
-	}
-	return t.Execute(res, data)
-}