OpenStack runs git.openstack.org which is more reliable and responsive
when projects operate within OpenStack Infra. Replace all of the
references to github with referneces to git.openstack.org.
Change-Id: Ib3ece85aba6451801487b0bdbd83147e39d9e155
Use the new source-repository interface to git clone
source repository.
Also there was a few thing in this element that needed to be fixed.
o url to the git repo wasn't curren't.
o pip and git are also dependencies that needed to be installed.
Change-Id: Ieb7be6576fc909aa4bba0233b7b81cab03395d76
