This PS allows the ingress rules to be dynamicly driven from the
values.yaml, permitting the ingress cotnroller to ba changed and
custom rules to be applied: eg whitelisting of clients.
Change-Id: Ica6b4692ff9b6b77d1efe6bae212a1227e56ca66
Placement service is optional in Newton, but required in Ocata.
So it needs to add the service for upgrading.
Change-Id: I49637c04ba7739a5108a442af05580f719ec3d54
Implements: blueprint add-nova-placement-service