Adding support for repo auto-discovery.
Auto-discovery of repositories using a URL and no longer using the API. Lots of work to be done.
Added method that will add either a repository or a product to an
existing Content View Definition.
Added five new tests for Content View Definitions.
Edited name of test.
Merged from upstream
Removed extra }.
Made changes based on feedback from the rest of the team.
Merge pull request #566 from omaciel/repodiscovery

Content View Definitions and the start of Repodiscovery