This patch removes the dependency on neutron-lbaas being enabled in neutron
and it renames the "slug" from ngloadbalancersv2 to load_balancer. These
changes should allow co-installation of the neutron-lbaas-dashboard with
octavia-dashboard (however, they will both show up as "Load Balancers" in the
This patch updates the imported code to reflect octavia-dashboard.
More work is required to make this work with the Octavia v2 API.
This will be done in followup patches.