Undone GUI part for other groups to use.

fning
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fning
Implements SessionButtonPanel for save, clear, and cancel buttons. Listens for buttons to be pressed. Currently no functionality - mrracine
Implements SessionButtonPanel for save, clear, and cancel buttons. Listens for buttons to be pressed. Currently no functionality. Last commit did not contain 3 files. - mrracine
Merge remote-tracking branch 'origin/feature/dev-iteration-2-dev-GUI' into feature/Iteration-2-dev-validator

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetng/modules/planningpoker/view/SessionPanel.java
acbragdon