BUG-430: Split off the various proposals

This creates the proper structure for per-revision proposals.

Change-Id: Ie17588a35cebc0a2557e7f9f3cfdbf98069d4aa5
Signed-off-by: Robert Varga <rovarga@cisco.com>
Signed-off-by: Dana Kutenicsova <dkutenic@cisco.com>