shared mount added for /var/lib/nova/mnt to QSG
shared mount added for /var/lib/nova/mnt to QSG

Closes-bug: #1644602

Change-Id: I35f080f118864be4b09f692b9f90c7635b46a75c

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