DDF-670 - Restyles the admin application modules.  Setup initial
application selection page for DDF-669 and DDF-682
DDF-669 - Created Feature management backend API and Feature UI via
config plugin.
DDF-682 Created configuration plugin API framework.  Adjusted
configuration UI to work within a Configuration Plugin.
DDF-670 - added exception to the logger.warn messages.  as Per PR comment
DDF-670 - cleaned up base on per review comments.  Removed commented js/template code and cleaned up some java coding.
DDF-704 Adding metatype configurations to the filtered configurations page.
Merge pull request #16 from McLucas/feature/DDF-669_DDF-670_DDF-682

DDF-669 DDF-670 DDF-682