Added license and contributor information to all files in observers package
Added license and contributor information to files in the tabs package
Merge branch 'dev-set3-iteration3' of https://github.com/333fred/wpi-suite-tng into dev-set3-iteration3
Added license and contributor information to files in the toolbar package.  Also cleaned up duplicate comments that provided descriptions about the specific files
Added license and contributor information to validator and view.actions packages.  Also cleaned up small comment inaccuracies and duplications
Merge branch 'dev-set3-iteration3' of https://github.com/333fred/wpi-suite-tng into dev-set3-iteration3
Added license and contributor to files in the event and note packages.