add ios and angular.js clients
Merge remote-tracking branch 'upstream/master'
Added Player object
Added user properties on player sessions to keep their "Game"
Added add players to game instead of just strings and also added some convenience method on Game for easy retrieval
Added a game registry as Game factory
Refactored the game registry infrastructure and the server endpoint
Added unit test for endpoint
Added dependency injection for GameRegistry
Fixed unit tests
Removed factory and singletons
Changed ios URL to localhost