Additionally remove rabbitmq since the correct version is now provided
in cloudarchive repo.
Change-Id: I215f03c4770f3049a9498c36c6ee9e819ce0acae
Closes-Bug: #1495836
Updated build.py to reflect this change.
Deprecate --template option and make it a noop.
Change-Id: I7cd98d1ee684a4c64984a49597159868152683b2
Partially-Implements: blueprint remove-docker-dir