Add keystone 3 support for freezer ui
Add keystone 3 support for freezer ui

Implements: blueprint keystone-v3-freezer-ui

Change-Id: Id5f84fe4a26069ce162145826593dd19153bc237

openstack/freezer-web-ui,openstack/freezer-web-ui,openstack/freezer-web-ui,openstack/freezer-web-ui