Optionally run tox on each git repo (-t) and package resultant
venv into a tarball on success (-p)
tarball filename includes the short-sha1 of the repo.
If tarball is created, screen is not run.
if the -d option is given the cmdline incantation for kicking
off the ansible deploy playbook will be provided. Later, this
could be automated.
A mysql role playbook is also included for single node db.
stv3-api role is also included.
Change-Id: Ib9f97a0035c228d4a163d7794ab7ce60043d572b
24f118f9ac