Create branch socketio-game for refactoring client-server information exchange code for games.
Added UserList module for keeping track of online users to power invite system and user list requests. Also removed unnecessary fields from the database that are now covered by UserList.
Hooked UserList module into RESTful API.
Integrated new user list implementation with ui.
Integrated invite system into client side. Awaiting a popup invitation box for further implementation.
Merge