FFU: Fix Keystone FFU tasks
FFU: Fix Keystone FFU tasks

We need to set facts instead of resigering values.

Change-Id: I4db80792544c994d8ccd504ca86a10cd8d90039b

dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates