Comment 4 for bug 1670618

Reviewed: https://review.openstack.org/448474
Committed: https://git.openstack.org/cgit/openstack/kolla-ansible/commit/?id=45b3a091248a4e91b792959139a04c003643fbc9
Submitter: Jenkins
Branch: stable/ocata

commit 45b3a091248a4e91b792959139a04c003643fbc9
Author: Bertrand Lallau <email address hidden>
Date: Tue Mar 7 10:37:11 2017 +0100

    Fix Magnum Kolla demo in contrib

    Magnum demo scripts doesn't work cause compose/openstack.env
    doesn't exist anymore.
    * NETWORK_MANAGER check has been removed
    * script has been updated to use Openstack client instead of
    deprecated clients (neutron-client, glance-client).
    * Magnum client calls have been adapted too.
    * some enhancements (logs, variable) have been performed too.

    Change-Id: I294b1876c9c7090785c0ebdd09b43843f88fb00b
    Closes-Bug: #1670618
    (cherry picked from commit 4286a501138cbb3d3f1d1e0db423fe44e5aa603c)