The neutron client commands will be deprecated, so use
openstack client commands to replace neutron client.
Change-Id: I6fdf867f3c632c846940b9469e67cf4ba9653161
Add to configure-networking section, installation and
configuration of networking-baremetal plugin.
Related-Bug: #1658964
Change-Id: Ic9a5d1de959cbeedb0e56ab5447042ce29028a8d