'astara-ctl router' commands broken on auth

[Adam Gandelman]

adam@trusty:/opt/stack/astara$ astara-ctl router update 207058e4-b1b1-434c-b5b7-a2d6ed88b3e3
WARNING: 'rug-ctl router update' is deprecated in favor of 'rug-ctl resource update' and will be removed in the Mitaka release.
using amqp at 'amqp://stackrabbit:akanda@127.0.0.1:/' exchange 'neutron'
{"error": {"message": "Expecting to find username or userId in passwordCredentials - the server could not comply with the request since it is either malformed or otherwise incorrect. The client is assumed to be in
 error.", "code": 400, "title": "Bad Request"}}

We updated all clients to use keystone sessions and need to do the same for the CLI client creation.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/243818

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/243818
Committed: https://git.openstack.org/cgit/openstack/astara/commit/?id=948c3742c81ae4c31ce42ee34f71dfb9a74323e6
Submitter: Jenkins
Branch: master

commit 948c3742c81ae4c31ce42ee34f71dfb9a74323e6
Author: Adam Gandelman <email address hidden>
Date: Tue Nov 10 12:33:33 2015 -0800

    Fix CLI neutron client to use keystone session

    This was updated elsewhere in Liberty to use sessions. CLI needs
    updating, too.

    Closes-bug: #1514992

    Change-Id: I87ca120ac14a52739371d33d830dddb0a45782d1