Added tests for Events and Commitments. There are some problems with commitments and events being equal to other commitments and events
Fixed err msg bug on all panels
Added border lines to day/week view
Added category to event and commitment
Minor bug fix in add category panel
Add server pass into the managerlayer

Signed-off-by: Hui Zheng <fengyimzy@gmail.com>
Merge branch 'dev-team3' into feature-Category&Filter

Conflicts:
	Calendar/src/edu/wpi/cs/wpisuitetng/modules/calendar/view/AddCategoryPanel.java
	Core/WPISuite/WebContent/WEB-INF/lib/WPISuite-Interfaces.jar
	Core/WPISuite/src/edu/wpi/cs/wpisuitetng/ManagerLayer.java