This PS allows the neutron and nova charts to dynamicly adapt to
various backends.
Depends-On: I0ec13f45fd4561fec59d08b08eb78390a3866156
Change-Id: I1891af4b0e49237e229ff5e61e907dc3e413cf87
This PS moves the default image in OSH for most services to use LOCI
and also provides a Kolla gate for newton openstack.
Change-Id: Ice6cb9f89bc3ce6e8280e580d215aedda9e71904