Create Tabs for Sidepane

-Create new ListTabView class
-Create two tabs, Filters and Iterations
-Set ListTabView to auto-resize and constrained it
Prototype generic controller system

-- new versions of delete and save controllers/observers
-- interface over pairs of panels/builders that will make it all work
-- Not connected to the existing system!!
Tabs In ListRequirementView Work
Updating prototype controller stuff
Merge branch 'dev-iteration3' of https://github.com/gsisko/wpi-suite-tng into dev-iteration3
add blank note text boxes in Requirement panel, modify save requirement controller
Merge branch 'dev-iteration3' of https://github.com/gsisko/wpi-suite-tng into dev-iteration3
Finish prototype of model controller/observers for builder/panel pairs
Server side of Notes implemented

Added the server side for Notes
Improve interface over new panel system
Merge branch 'dev-iteration3' of https://github.com/gsisko/wpi-suite-tng into dev-iteration3
imlement save note controller
implementing IListBuilder
Merge branch 'dev-iteration3' of https://github.com/gsisko/wpi-suite-tng.git into dev-iteration3
add create note action listener
added Iteration.java model

added an Iteration.java file to requirementmanager.models
remove border from filter list panel
Merge branch 'dev-iteration3' of https://github.com/gsisko/wpi-suite-tng.git into dev-iteration3
implement Notes in SaveRequirement controller
Merge branch 'dev-iteration3' of https://github.com/gsisko/wpi-suite-tng into dev-iteration3