Updated openstack/openstack
Project: openstack/nova  7903d13045549f0aa5c5d65554737a6118513144

Add count and limit_check methods to quota object

This allows the quota object to pass through count() and
limit_check() methods to the quota engine, removing the
need for importing the quota module directly

Change-Id: Id8c10c606693d4149913d7cec2e88fc1809bbddb