fixed bug accidentally, sorting columns in overview
Sorting table in overview
Merge branch 'dev' into dev-historicalView

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetcw/modules/planningpoker/view/overviews/SessionInProgressPanel.java
Merge pull request #48 from Team-Combat-Wombat/dev-historicalView

Dev historical view