CORE-4073: Ongoing changes
* Updated the default names for new groups and arguments
* Re-ordered property panel, and implemented some dymanic form
behaviour. Essentially, certain form selections change the state of the
form (required user input, etc)
CORE-4073: Added the MultiFileOutput argument type.
CORE-4073: Integrated file info argument propery field
CORE-4073: Integrated data source argument propery field
CORE-4073: Removed app selection button from toolbar
CORE-4073: Adjusted default sizes of App Integration view. 
Also added reference genome palette items.
CORE-4121: Implemented UI ability to only edit labels
The logic to actually determine if the app should be in this 'mode' has
not yet been implemented
CORE-4121: Small size fixes
refactor code. user announcement widget to give save feedback
make palette expanded by default
CORE-4073: Small change to successful save feedback.
CORE-4474 Updates for IplantAnnouncer changes.
Merge branch 'master' into STABLE