Removed custom providers from the UI
Added "Anonymous" providers on the backend that are automatically created
removed API docs for provider create and delete
Merge pull request #3700 from Katello/jconnor-remove-content-providers

Jconnor remove content providers
Build: Setting the compass-rails version since the newest version (1.1.4) breaks
the build and fixing a single broken JS test.
Merge pull request #3701 from ehelms/compass-rails-version

Setting the compass-rails version since the newest version (1.1.4) break...