Nova-volume was deprecated in Folsom/removed in Grizzly. Now Nova returns errors when trying to submit volume related quotas, which JClouds always does when submitting a Quota. I'm going to want to fix this, but is it better to make those elements optional in order to support folks using older versions of Nova or to remove this entirely from JClouds 1.8 onwards?
It may also make sense to make every quota setting optional, since that should be possible according to the API docs: http://docs.openstack.org/api/openstack-compute/2/content/PUT_os-quota-sets-v2_updateQuota_v2__tenant_id__os-quota-sets__tenant_id__ext-os-quota-sets.html Ticket for this issue with a bit more detail: https://issues.apache.org/jira/browse/JCLOUDS-527
