TripleO support for mixed operating system versions
TripleO support for mixed operating system versions

Signed-off-by: James Slagle <33ab48cedd1a7cf7a68e1b587db88f55f753652f@redhat.com>
Change-Id: I3b7f6935c68d830d8b002e96d759b26b988a10af

openstack/tripleo-specs,openstack/tripleo-specs