DDF-669 DDF-670 DDF-682

DDF-670 - Restyles the admin application modules.  Setup initial application selection page for Jeren and Sam's work.

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.
debug code that wasn't purged. Honestly though I thought that was pulled out a long time ago. It was used to simulate services so I can test the front end with data coming back all the time.

It's been removed.