Use the new neutron manager
Use the new neutron manager

Change-Id: Ia91dfbf9d93e19b43c0dd0b58b95fc0080b0ad7c
Partially-implements: blueprint neutron-lib
Depends-on: I7331e914234c5f0b7abe836604fdd7e4067551cf

openstack/tap-as-a-service,stackforge/tap-as-a-service,stackforge/tap-as-a-service,openstack/tap-as-a-service