Updated openstack/openstack
Project: openstack/nova  936ba0553ca9ca1ff17f9b1820c1390beea20d8a
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Add VirtualInterface object

Add new objects: VirtualInterface and VirtualInterfaceList.  These are
needed for converting nova-network over to use objects.

Part of blueprint nova-network-objects

Change-Id: Idab38a2a9bd8737fcc8e112759c539b7ebad4df9