Shows warning label for zero final estimate

Adds warning label for first final estimate

Authors: ammesonb, dbtrue
Merge branch 'team9dev' of https://github.com/dbeckwith/wpi-suite into team9dev
Merge branch 'team9dev' of https://github.com/dbeckwith/wpi-suite into team9dev
Merge branch 'team9dev' into BugFix-Notes

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetng/modules/planningpoker/view/main/CompletedRequirementPanel.java