Only copy the necessary config files for Glance
Only copy the necessary config files for Glance

Only copy the necessary config files when it _really_ needed. This
will make the config file safer

Partial-Bug: #1559122
Change-Id: I5f5df54c688fb4f6b0ee68815116e2418d5742f7

stackforge/kolla,mandre/kolla,tonyli71/kolla,GalenMa/kolla,openstack/kolla,GalenMa/kolla,coolsvap/kolla,mrangana/kolla,intel-onp/kolla,dardelean/kolla-ansible,intel-onp/kolla,nihilifer/kolla,rahulunair/kolla,mandre/kolla,openstack/kolla,tonyli71/kolla,stackforge/kolla,dardelean/kolla-ansible,stackforge/kolla,rahulunair/kolla,coolsvap/kolla,nihilifer/kolla,coolsvap/kolla,mrangana/kolla,mandre/kolla,dardelean/kolla-ansible