BISERVER-8721
-Created/Using PerspectivesLoadedEvent with EventBus
-Updated CSS for perspective dropdown (drop shadow, etc)
-When programmatically switching perspectives the label for the
perspective drop down is updated
-Fixing height issues when loading initial content in Open Files
-Various import cleanups
Merge pull request #458 from bytekast/master

[BISERVER-8847] Add Generic File Action Event/Handler. Add method to retrieve repository file properties.
BISERVER-8759 Fixing edit mode enable/disable
Renaming TestEvent to GenericEvent, as this thing now has an
eventSubType which can be used for general purpose events including via
JavaScript
Reverting commit to module definition
[BISERVER-8847] Pass title, in addition to path to button handlers
Merge pull request #459 from bytekast/BISERVER-8847

[BISERVER-8847] Pass title, in addition to path to button handlers
BISERVER-8721 Change the PUC perspective UI control to a dropdown
Finished, moving case over for UX approval
BISERVER-8721 Drop shadow UX tweaks