Provision keystone v3 params in contrail keystone
Provision keystone v3 params in contrail keystone

auth conf and neutron conf file during upgrade only
if the base setup is provisionied with keystone v3.

Change-Id: I09cc3ae8b177177bda8c0e0da9710c924cd2d4cb
Closes-Bug: 1722401
(cherry picked from commit b19d7d88c2f850cb9b5e21f9401cc7accbdbcd2e)

Juniper/contrail-provisioning,Juniper/contrail-provisioning