Fix murano auth issue
Fix murano auth issue

According to installation guide from murano[1] and devstack sample config[2],
some of the configurations for keystone auth need to be changed.

[1]: http://docs.openstack.org/developer/murano/install/manual.html#install-the-api-service-and-engine
[2]: https://github.com/openstack/murano/blob/master/devstack/plugin.sh#L187-L194

Change-Id: I01f9fcf3d6eb849392c4717f8e4c78be069351a2
Closes-bug: #1624957
Closes-bug: #1621693

rahulunair/kolla,rahulunair/kolla,intel-onp/kolla,mandre/kolla,openstack/kolla,stackforge/kolla,dardelean/kolla-ansible,intel-onp/kolla,GalenMa/kolla,coolsvap/kolla,stackforge/kolla,mrangana/kolla,openstack/kolla,mrangana/kolla,stackforge/kolla,GalenMa/kolla,dardelean/kolla-ansible,mandre/kolla,nihilifer/kolla,mandre/kolla,coolsvap/kolla,nihilifer/kolla,coolsvap/kolla,dardelean/kolla-ansible