Flesh out the GameRoom trait.
Finish up the ChatRoom interface.
Got GameRoom to work with ChatRoom.

- Edit the coffee file to take in the state object.
- Refactor ChatRoom to inherit from GameRoom.
- Full functionality + more (I think)
Refactor TicTacToe to use GameRoom.
Merge branch 'refactor-rooms'
Merge branch 'master' of https://github.com/tesserahub/quickgame