Updated openstack/openstack
Project: openstack-dev/devstack  5137bb616534791ca750fea11d63e750cafa4536
null
Backport Grenade updates

Backport changes made in Grenade's copy of functions since the last sync:
* d0654b9,i 4c7726e - get_release_name_from_branch()
* 7907766 - edits to install_package()

Change-Id: I0714c0b1072f1360c3c08fe24225e65e2a550fad