Default values for enabling services in ceilometer
Default values for enabling services in ceilometer

The os_ceilometer role makes use of variables for each OpenStack service
to configure notification queue listeners. Include default values
for those variables in the role's default vars.

Change-Id: If30b5050f923e1cd0dbb004aaf7722c54b6de5d9
Closes-Bug: #1533801

BjoernT/os-ansible-deployment,mrda/openstack-ansible,cfarquhar/openstack-ansible,git-harry/os-ansible-deployment,cloudnull/os-ansible-deployment,bunchc/openstack-ansible,git-harry/os-ansible-deployment,major/os-ansible-deployment,BjoernT/os-ansible-deployment,stackforge/os-ansible-deployment,cfarquhar/openstack-ansible,cloudnull/os-ansible-deployment,stackforge/os-ansible-deployment,weezer/openstack-ansible,major/openstack-ansible,robb-romans/openstack-ansible,bunchc/openstack-ansible,mancdaz/openstack-ansible,yanyao/newton,git-harry/os-ansible-deployment,os-cloud/os-ansible-deployment,Logan2211/openstack-ansible,BjoernT/openstack-ansible,yanyao/openstack-ansible,BjoernT/openstack-ansible,mrda/openstack-ansible,yanyao/newton,robb-romans/openstack-ansible,openstack/openstack-ansible,os-cloud/os-ansible-deployment,weezer/openstack-ansible,major/os-ansible-deployment,major/openstack-ansible,BjoernT/os-ansible-deployment,yanyao/openstack-ansible,mancdaz/openstack-ansible,openstack/openstack-ansible,Logan2211/openstack-ansible,mrda/openstack-ansible