adds tooltip game descriptions to tables in Games tab
adds tooltips to email pain
fixes tooltip changing on close and open games buttons
Merge branch 'feature/Iteration-6-dev-RequirmentDesToolTips-2' into Iteration-6-dev

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetng/modules/planningpoker/view/MySessionTab/ClosedSessionTable.java