fix travis

.travis.yml

@@ -3,10 +3,14 @@ sudo: required
 go:
 - 1.4
 - 1.5
+- 1.6
 before_install:
   - go get github.com/axw/gocov/gocov
   - go get github.com/mattn/goveralls
   - go get golang.org/x/tools/cmd/cover
+  - go get github.com/gin-gonic/gin
+  - go get github.com/labstack/echo
+  - go get github.com/go-fsnotify/fsnotify
 install:
   - go get github.com/gorilla/websocket
 script: