jnallard, omarkherba: Changed Save button to update a game in editTab, and changed the name to update.
Added icons to the new/edit game panel, saving and updating now close the tabs, similar to the requirement manager
Resized New Game buttons, added gridbag constraints to CreateGameInfo
Created controllers for updating a game
(Added a simple id incrementer to the EntityManager for games, for testing, feel free to change)