Explicitly define "auth_region" in Neutron metadata_agent.ini
Explicitly define "auth_region" in Neutron metadata_agent.ini

The default value for "auth_region" assumes "RegionOne" rather
than "regionOne" which causes the metadata agent to generate
authentication errors.

Change-Id: I0d3395a215eea7b3e3a9760a81e5f72a6bf523a4
Closes-Bug: #1259344

openstack/openstack-manuals,kairoaraujo/openstack-manuals,Akasurde/openstack-manuals,gongysh2004/openstack-manual,potsmaster/openstack-manuals,kairoaraujo/openstack-manuals,saeki-masaki/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,gongysh2004/openstack-manual,AlekhyaMallina-Vedams/openstack-manuals,saeki-masaki/openstack-manuals,potsmaster/openstack-manuals,Akasurde/openstack-manuals,openstack/openstack-manuals