Issue with database not posting new posts

As per an issue added to mean-sample posts now gets added to the database properly. Apparently the mongodb url for localhost needs to be stated explicitly using 127.0.0.1/ works perfectly also added some extra code to prevent conflicts with other local databases

https://www.dropbox.com/s/ks1lh2memmlvgl4/issue2-POST-never-completes%28resolved%29.mov?dl=0