feat: switch glide to govendor. (#186)

* feat: switch glide to govendor.

* fix: testing

vendor/github.com/gin-gonic/gin/render/data.go

@@ -0,0 +1,20 @@
+// Copyright 2014 Manu Martinez-Almeida.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package render
+
+import "net/http"
+
+type Data struct {
+	ContentType string
+	Data        []byte
+}
+
+func (r Data) Render(w http.ResponseWriter) error {
+	if len(r.ContentType) > 0 {
+		w.Header()["Content-Type"] = []string{r.ContentType}
+	}
+	w.Write(r.Data)
+	return nil
+}