Added some tests for client-side defect search/browse functionality. This includes adding MockNetwork and MockRequest objects.
Implement Defect update validation
Actually update defects.  Added ModelMapper class.
Merge branch 'dev-exemplar-defect-update' into dev-exemplar
Fixed defect form to correctly save and display assignee.
Merge branch 'dev-exemplar' into dev-exemplar-feature-test-search
Merge branch 'dev-exemplar-feature-test-search' into dev-exemplar
Merge branch 'dev-exemplar' into dev-exemplar-feature-network-refactor

Conflicts:
	DefectTracker/src/edu/wpi/cs/wpisuitetng/modules/defecttracker/search/observers/RetrieveAllDefectsRequestObserver.java
	DefectTracker/src/edu/wpi/cs/wpisuitetng/modules/defecttracker/search/observers/RetrieveDefectRequestObserver.java