BISERVER-9050 - Icons in the UI should be displayed based in theme selected.

Moved PUC icons out of user-console and into the common themes in gwt-widgets. then modified how they are referenced in PUC to use styles from globalOnyx/globalSlate/globalXXX css files to drive the background image... making them "themeable".

Updated the import dialog to use the common BusyIndicator.
[BISERVER-8989] Restoring non-caching AclCollector for now.
Fixing unit tests
BISERVER-8569 - Updating styles for hidden files and folder
[ BISERVER-8847] Add Generic File Action Event/Handler. Add method to retrieve repository file properties.
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
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
BISERVER-8721 Change the PUC perspective UI control to a dropdown
Finished, moving case over for UX approval
BISERVER-8721 Drop shadow UX tweaks
[BISERVER-8876] Provide actions to context file button handlers
[BISERVER-8876] -- Updated the getting started launch to load samples and provide an error message if the sample does not exist
BISERVER-8721 Pulled some padding back in for alignment
BISERVER-9018 PUC Username Dropdown
Adding user (session name) to webcontext.js so we don't have to make an
additional server hit to show UI with current user name
BISERVER-8947 - Adding styles for the new 'Clean' theme
BISERVER-9018 PUC Username Dropdown
[BISERVER-8847] Refresh File List Browser after successful deletion of file
BISERVER-8721 BISERVER-9018 Fixing the "annoying" issues revealed at
today's standup meeting ESCAPE now hides the dropdown as well as
clicking anywhere on the page (including iframes)