Creates Openvswitch role and splits
openvswitch from Neutron role to enable
third party networking solutions that use
Openvswitch or customize Openvswitch.
For example Openvswitch with dpdk or
OpenDaylight.
Change-Id: I5a41c42c5ec0a5e6999b2570ddac0f5efc3102ee
Co-Authored-By: Mauricio Lima <mauriciolimab@gmail.com>
Partially-Implements: blueprint opendaylight-support