Savanna project conf improvements - pyflakes and tarballs has been added.

Change-Id: Id689c87c63745ceff9ee3ccfd864603eacbdcfdb
Reviewed-on: https://review.openstack.org/25216
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins