Use the openstack client cmd instead of cinder cmd
Use the openstack client cmd instead of cinder cmd

Try to use the openstack client command(OSC) instead of all cinder command. If
OSC command can not be found, then use cinder command.
Up to now, the commad "cinder quota-defaults" and "cinder quota-usage"
can not be replaced with OSC command.

Change-Id: I5d09ce38f4182ac72b3ef047a1dc18e8ed7f359f
Closes-Bug: #1672255

openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals