Added information needed for dataplane connectivity in refresh_vms_status in...

Added information needed for dataplane connectivity in refresh_vms_status in openstack connector. Minor modification in get_network to avoid confusion with the naming

Change-Id: Ia672a8570bd31361d3097b9c1f1b02ec3fa13362
Signed-off-by: Pablo Montes Moreno <pablo.montesmoreno@telefonica.com>