refactoring controllers and routes before testing

Author: agrampa

lab-allie/controller/gallery-controller.js

@@ -12,7 +12,7 @@ exports.addPicture = function(req) {
  if(!req.body.desc) return Promise.reject(createError(400, 'Invalid desc property'));
  req.body.userId = req.user._id;
 
- new Gallery(req.body).save()
+ return new Gallery(req.body).save()
  .then(gallery => gallery)
  .catch(err => Promise.reject(createError(400, err.message)));
 };