Ref #13: Window path hash in SignIn data as game requested
Ref #13: Check for game hash server-side
Ref #13: Pass the game string back and forth on SignIn
Ref #13: bucket as multidimensional array, separate signin per game
Ref #13: Isolate voting to specific games
Isolate voting, revoke/reveal to game. Use socket.store.data instead of socket.get().
Ref #13: Isolate disconnections to game

Conflicts:
	scrum_cards_server.js
Ref #13: Generate game hash if there isn't one, return it to the client, set window.location.hash accordingly
Remove the error handler for socket.on('disconnect'). Not relevant, causes crashes.
Merge _channels -> dev: Ref #13 -- create and contain games to rooms