Add firebase gem
Add firebase initializer
Add firebase message count to sessions controller
Add firebase to client
Add firebaseService
Add firebaseService
Get firebase working in client
Firebase setup
Refactor firebase into angular service
Add friend_requests to User
Add friend request data to firebase
Add FbHandler
Use #update when updating firebase value
Add FbHandler to sessions
Keep counter at 0
update todos
Add page titles
Comment out FbHandler test until http is stubbed.
Hack around FbHandler
Fix travis env variables