Add os-cloud-config.

This is a new TripleO codebase.

Change-Id: Ic51d890b7a7c4692b7cd90a6723fe14a073f6433
Add tripleo-ui to horizon program.

This moved out of tripleo a while back.

Change-Id: Id22a53bd02d6bacb585e627be08ee6d0fa5d8887