Changed namespace from kolla to kollaglue in oslo
Changed namespace from kolla to kollaglue in oslo

The oslo configuration generates containers that default namespace
to kolla instead of kollaglue docker hub registry upstream.
The impact of this bug is that when using oslo config generator,
the default containers can't be launched.

Change-Id: I29a75874af0453df89eca6d6a9294441204d85f5
Closes-Bug: #1590619

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