Modify quota-list descripton
Modify quota-list descripton

'quota-list' is truly to descirbe quotas for tenants who have non-default
quota values.

Change-Id: I9b5cc92afda9ec7ace479f456c303a3ecc5672d0
Closes-bug: #1280519

varunarya10/python-neutronclient,varunarya10/python-neutronclient,johnpbatty/python-neutronclient,NeCTAR-RC/python-neutronclient,openstack/python-neutronclient,eayunstack/python-neutronclient,roaet/python-neutronclient,rackerlabs/rackspace-python-neutronclient,cernops/python-neutronclient,huntxu/python-neutronclient,cryptickp/python-neutronclient,venusource/python-neutronclient,sajuptpm/python-neutronclient-ipam,vijayendrabvs/ssl-python-neutronclient,yamahata/python-tackerclient,mangelajo/python-neutronclient,cernops/python-neutronclient,noironetworks/python-neutronclient,johnpbatty/python-neutronclient,noironetworks/python-neutronclient,venusource/python-neutronclient,mangelajo/python-neutronclient,vijayendrabvs/ssl-python-neutronclient,NeCTAR-RC/python-neutronclient,yamahata/python-tackerclient,roaet/python-neutronclient,JioCloud/python-neutronclient,sajuptpm/python-neutronclient-ipam,rackerlabs/rackspace-python-neutronclient,huntxu/python-neutronclient,Juniper/python-neutronclient,JioCloud/python-neutronclient,Stavitsky/python-neutronclient,Juniper/python-neutronclient,Stavitsky/python-neutronclient,openstack/python-neutronclient,eayunstack/python-neutronclient,cryptickp/python-neutronclient