Update dependencies (labstack#1194)

* Update go.mod

Replace:
`github.com/labstack/gommon v0.0.0-20180312174116-6fe1405d73ec`
With:
`github.com/labstack/gommon v0.2.7`

* Update Gopkg

Replace:
`github.com/labstack/gommon 0.2.4`
With:
`github.com/labstack/gommon v0.2.7`

* Update go/dep 0.5.0

Gopkg.toml

@@ -27,7 +27,7 @@
 
 [[constraint]]
   name = "github.com/labstack/gommon"
-  version = "0.2.4"
+  version = "v0.2.7"
 
 [[constraint]]
   name = "github.com/stretchr/testify"

Makefile

@@ -1,4 +1,4 @@
-DEP_VERSION=0.4.1
+DEP_VERSION=0.5.0
 
 dependency:
 	curl -fsSL -o ${GOPATH}/bin/dep https://github.com/golang/dep/releases/download/v${DEP_VERSION}/dep-linux-amd64

go.mod

@@ -3,7 +3,7 @@ module github.com/labstack/echo
 require (
 	github.com/davecgh/go-spew v1.1.0 // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
-	github.com/labstack/gommon v0.0.0-20180312174116-6fe1405d73ec
+	github.com/labstack/gommon v0.2.7
 	github.com/mattn/go-colorable v0.0.9 // indirect
 	github.com/mattn/go-isatty v0.0.3 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect

go.sum

@@ -2,8 +2,8 @@ github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/labstack/gommon v0.0.0-20180312174116-6fe1405d73ec h1:aYKwS4iCpqxskMuvI8+Byq0CxnnWHO/xuLk2pZJ96tY=
-github.com/labstack/gommon v0.0.0-20180312174116-6fe1405d73ec/go.mod h1:/tj9csK2iPSBvn+3NLM9e52usepMtrd5ilFYA+wQNJ4=
+github.com/labstack/gommon v0.2.7 h1:2qOPq/twXDrQ6ooBGrn3mrmVOC+biLlatwgIu8lbzRM=
+github.com/labstack/gommon v0.2.7/go.mod h1:/tj9csK2iPSBvn+3NLM9e52usepMtrd5ilFYA+wQNJ4=
 github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=