Accept objects in name_or_id parameter
Accept objects in name_or_id parameter

Let's not tell anybody about it, but if someone passes us an object
in the name_or_id slot, let's roll with it.

Change-Id: I70ea91c948c0f82185861baa22830a4954359b6f

stackforge/python-openstacksdk,openstack-infra/shade,dtroyer/python-openstacksdk,openstack-infra/shade,openstack/python-openstacksdk,openstack/python-openstacksdk,dtroyer/python-openstacksdk,stackforge/python-openstacksdk