Use network entries for nova placement
Use network entries for nova placement

Having these available from t-h-t, we should be able to use these now.

Change-Id: I7272df25c4fdba152fe15d40444311bc35ace4d9
Depends-On: Id0d34c7c3939ee81126ffd26d0658c0a87805a44

openstack/puppet-tripleo,openstack/puppet-tripleo,openstack/puppet-tripleo