Only start nova-data on the compute hosts
Only start nova-data on the compute hosts

Change-Id: Icd7aa39556c50a3367c3b9630b24b7195612ba70
Closes-Bug: #1517914

openstack/kolla,negronjl/kolla,nihilifer/kolla,tonyli71/kolla,GalenMa/kolla,limamauricio/mykolla,coolsvap/kolla,intel-onp/kolla,stackforge/kolla,dardelean/kolla-ansible,toby82/kolla,mrangana/kolla,toby82/kolla,negronjl/kolla,dardelean/kolla-ansible,negronjl/kolla,nihilifer/kolla,limamauricio/mykolla,stackforge/kolla,mandre/kolla,mandre/kolla,coolsvap/kolla,toby82/kolla,GalenMa/kolla,tonyli71/kolla,mandre/kolla,rahulunair/kolla,coolsvap/kolla,openstack/kolla,stackforge/kolla,rahulunair/kolla,dardelean/kolla-ansible,intel-onp/kolla,limamauricio/mykolla,mrangana/kolla