Add a --volume-type option to quota set, this will allow users
to set quotas for volume attributes on a per volume-type basis.
for example:
openstack quota set admin --volume-type myvol --volumes 12
Change-Id: I3ce9cf82a65d4f012b339f0e0dedb752cb132c33
Closes-Bug: 1438377
* Sort by command objects
* Drop the comparison to the project CLIs
* Minor updates to command help to match docs
Initially include the cross-API commands to establish the structure and format.
Change-Id: I77a7b3c89e088b66aa62941e29ce0b65b532285b