Fix nova conf compute_manager unavailable
Fix nova conf compute_manager unavailable

This fixes a recent change on nova side in our nova notifier.

Change-Id: Ifae7a7871eb3eace83fb1654352f25801ff604e3
Signed-off-by: Julien Danjou <5c682c2d1ec4073e277f9ba9f4bdf07e5794dabe@danjou.info>

r-mibu/ceilometer,citrix-openstack-build/ceilometer,luogangyi/Ceilometer-oVirt,redhat-openstack/ceilometer,chungg/aodh,redhat-openstack/ceilometer,sileht/aodh,dreamhost/ceilometer,isyippee/ceilometer,chungg/aodh,Juniper/ceilometer,shootstar/ctest,eayunstack/ceilometer,MisterPup/Ceilometer-Juno-Extension,openstack/aodh,NeCTAR-RC/ceilometer,JioCloud/ceilometer,dreamhost/ceilometer,pczerkas/aodh,pczerkas/aodh,Juniper/ceilometer,tanglei528/ceilometer,mathslinux/ceilometer,NeCTAR-RC/ceilometer,rackerlabs/instrumented-ceilometer,pkilambi/ceilometer,JioCloud/ceilometer,m1093782566/openstack_org_ceilometer,maestro-hybrid-cloud/ceilometer,cernops/ceilometer,fabian4/ceilometer,froyobin/ceilometer,openstack/aodh,froyobin/ceilometer,rickerc/ceilometer_audit,shootstar/ctest,openstack/ceilometer,rackerlabs/instrumented-ceilometer,isyippee/ceilometer,eayunstack/ceilometer,MisterPup/Ceilometer-Juno-Extension,NeCTAR-RC/ceilometer,m1093782566/openstack_org_ceilometer,JioCloud/ceilometer,r-mibu/ceilometer,openstack/ceilometer,sileht/aodh,rickerc/ceilometer_audit,rackerlabs/instrumented-ceilometer,ityaptin/ceilometer,pkilambi/ceilometer,ityaptin/ceilometer,tanglei528/ceilometer,cernops/ceilometer,fabian4/ceilometer,citrix-openstack-build/ceilometer,tanglei528/ceilometer,citrix-openstack-build/ceilometer,mathslinux/ceilometer,idegtiarov/ceilometer,idegtiarov/ceilometer,luogangyi/Ceilometer-oVirt,rickerc/ceilometer_audit,maestro-hybrid-cloud/ceilometer