Description of problem:
openstack-nova-volume service is not part of the havana release, it is removed in favor of cinder, so reporting it's status does not makes sense.

Version-Release number of selected component (if applicable):
openstack-utils-2013.2-1.fc19.1.noarch

How reproducible:
always

Steps to Reproduce:
1./usr/bin/openstack-status

Actual results:
== Nova services ==
openstack-nova-api:           active
openstack-nova-cert:          active
openstack-nova-compute:       active
openstack-nova-network:       inactive (disabled on boot)
openstack-nova-scheduler:     active
openstack-nova-volume:        inactive (disabled on boot)
openstack-nova-conductor:     active


Expected results:
== Nova services ==
openstack-nova-api:           active
openstack-nova-cert:          active
openstack-nova-compute:       active
openstack-nova-network:       inactive (disabled on boot)
openstack-nova-scheduler:     active
openstack-nova-conductor:     active


Additional info: