Use github.com/42wim/go-gitter for now

vendor/github.com/42wim/go-gitter/test_utils.go

@@ -0,0 +1,30 @@
+package gitter
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+)
+
+var (
+	mux    *http.ServeMux
+	gitter *Gitter
+	server *httptest.Server
+)
+
+func setup() {
+	mux = http.NewServeMux()
+	server = httptest.NewServer(mux)
+
+	gitter = New("abc")
+
+	// Fake the API and Stream base URLs by using the test
+	// server URL instead.
+	url, _ := url.Parse(server.URL)
+	gitter.config.apiBaseURL = url.String() + "/"
+	gitter.config.streamBaseURL = url.String() + "/"
+}
+
+func teardown() {
+	server.Close()
+}