Allow operators to customise keystone source install
Allow operators to customise keystone source install

TrivialFix

Change-Id: I5fb6e2b72e56e018ed640811a9f4d1d77a3efb11

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