Add customizations for keystone
Add customizations for keystone

Adds customizations for keystone.

Change-Id: I970e690539388e05f974f92b1e20710cc8de37ed
Partially-Implements: blueprint third-party-plugin-support

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