Merge pull request #44 from cpaika/master

Adding in global forum
Merge pull request #45 from cpaika/master

Adding in a missing file
Removed folder route.
Changed POST target.
Modified UserSchema to use array of ObjectId for friendsList. Rewrote database query for adding friends for users.
Merge pull request #46 from nh0815/master

Basic friends feature
Cant post empty forum messages