Add more whitespace
Add Followers table in database

Add table to database, add ddl to DBManager, addFriends utility function
that makes two users follow each other to DB.
Add removeFriends, change addFriends

Add removeFriends that unfollows two users and returns true on success.
Change addFriends to return true on success.
Add FriendService stub
Add GroupMessages to database

Add table in database for messages in Groups. Should support posts with
titles and answers to posts/comments. Add case class for messages.
Move Profile management methods from DB to Profile
Change Profile#update{Email,Password}

Make these methods return an updated Profile rather than an integer.
Add GroupMessageService stub

GroupMessageService is intended to provide routes for posting messages
and replying to messges in Groups.