Made backlog's estimate in view iteration panel show the sum of the estimates for requirements that don't have an iteration
Got the iteration' estimate to show on the view single iteration view
Merge branch 'dev' of https://github.com/alexhenning/wpi-suite-tng into dev

Conflicts:
	RequirementsManagement/src/edu/wpi/cs/wpisuitetng/modules/requirementsmanagement/gui/ViewSingleIterationPanel.java
	RequirementsManagement/src/edu/wpi/cs/wpisuitetng/modules/requirementsmanagement/models/Iteration.java