Updated openstack/openstack
Project: openstack/cinder  800ead31a9662a1228a5813a383886bc2cae7a41
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Quota delete operation in cinder

This change adds the quota-delete operation to cinder.

It is adding the api and the tests, using the methods already
implemented in the db to destroy all the quotas for a specific
project.

Implements blueprint quota-delete

DocImpact

Change-Id: Ia040a20abb831c311eb13624ddecbbf0f12fdd9f