Make Heat bootstrapping idempotent
Make Heat bootstrapping idempotent

Change-Id: I155707ec6c1973d2a36606a0c73e57bda58ed037
Closes-Bug: #1569696

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