add gulp and gulpfile to project

gulpfile.js

+var gulp = require('gulp');
+
+gulp.task('default', function() {
+
+});

package.json

@@ -28,6 +28,7 @@
   "devDependencies": {
     "chai": "^3.5.0",
     "chai-http": "^3.0.0",
+    "gulp": "^3.9.1",
     "mocha": "^2.5.3"
   }
 }