TEIIDDES-1743
TEIIDDES-1480
TEIIDDES-1348
- moved VDB Description to it's own tab
- Changed VDB Properties tab to Properties tab and added "User Defined" properties entry table on right
- Changed VDB Translator panel buttons from actions/toolbar to simple Composite with Buttons to prevent layout issues
- Added "Allowed Languages" property editing
- Tweaked Vdb, VdbElement classes to accommodate expanded property support
Uses the updated target-platform-utils to specific a name for the target

* Provides a sane target name for the target file, instead of taking
  'locus' from the first merged target file.