Github is just a mirror of the OpenStack git-repo.
Changed from Github to OpenStack git url wherever possible.
Change-Id: I7941ef86967de4efe7f23ff9fb11ec86c793901e
THe top level dev directory is now used to store the heat and
vagrant development environments.
backport: liberty
TrivialFix
Change-Id: Ib0922b90eacaa8518aee09cdeb46f4ac0437e015