Save Filter Controller

--UNTESTED
--Adds fields and helpers to FilterBuilderPanel
Merge branch 'dev-iteration2' of https://github.com/gsisko/wpi-suite-tng into dev-iteration2

Conflicts:
	RequirementManager/src/edu/wpi/cs/wpisuitetng/modules/requirementmanager/filter/SaveFilterController.java
	RequirementManager/src/edu/wpi/cs/wpisuitetng/modules/requirementmanager/list/controllers/RetrieveAllRequirementsController.java
	RequirementManager/src/edu/wpi/cs/wpisuitetng/modules/requirementmanager/list/views/FilterBuilderPanel.java
Fixing some merge conflicts, sorry