Linking create game button to new game tab

code cleanup and general renaming
Merge branch 'addgame' into req3

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetng/modules/planningpoker/controller/AddGameController.java
	PlanningPoker/src/edu/wpi/cs/wpisuitetng/modules/planningpoker/model/GameModel.java