Add favicon (#839)

* Add favicon

* Fix the node version

* Update bindata.go

Makefile

@@ -60,7 +60,7 @@ assets:
 	-@$(GO) get -u github.com/jteeuwen/go-bindata/...
 # Using "-mode 420" and "-modtime 1" to make assets make target deterministic.
 # It sets all file permissions and time stamps to 420 and 1
-	@go-bindata $(bindata_flags) -mode 420 -modtime 1 -pkg ui -o ui/bindata.go ui/app/index.html ui/app/script.js
+	@go-bindata $(bindata_flags) -mode 420 -modtime 1 -pkg ui -o ui/bindata.go ui/app/index.html ui/app/script.js ui/app/favicon.ico
 	@go-bindata $(bindata_flags) -mode 420 -modtime 1 -pkg deftmpl -o template/internal/deftmpl/bindata.go template/default.tmpl
 
 promu:

ui/Dockerfile

@@ -1,3 +1,3 @@
-FROM node:latest
+FROM node:6.10
 
 RUN npm install -g elm@0.18.0 elm-format@0.6.1-alpha elm-test@0.18.3

ui/web.go

@@ -58,6 +58,10 @@ func Register(r *route.Router, reloadCh chan<- struct{}) {
 		serveAsset(w, req, "ui/app/script.js")
 	}))
 
+	r.Get("/favicon.ico", ihf("app", func(w http.ResponseWriter, req *http.Request) {
+		serveAsset(w, req, "ui/app/favicon.ico")
+	}))
+
 	r.Post("/-/reload", func(w http.ResponseWriter, req *http.Request) {
 		w.Write([]byte("Reloading configuration file..."))
 		reloadCh <- struct{}{}