Updated openstack/openstack
Project: openstack/neutron  54f200d33e8b44b95d1b68695062cde48948af29

Added missing core_plugins symbolic names

Some plugins miss short symbolic name in setup.cfg, specifically Nuage
and Metaplugin.

Change-Id: I0198ae98654bbdddf8f2ba8dd3b80d0d447d6341
Closes-Bug: 1324487