Comment 4 for bug 1595821

Reviewed: https://review.openstack.org/338854
Committed: https://git.openstack.org/cgit/openstack/fuel-ostf/commit/?id=66f1a81130b6531933da1e12a2bd73b244aed7ef
Submitter: Jenkins
Branch: stable/mitaka

commit 66f1a81130b6531933da1e12a2bd73b244aed7ef
Author: Artur Svechnikov <email address hidden>
Date: Fri Jun 24 09:51:00 2016 +0300

    murano_glance_artifacts_plugin backward compatibility

    murano_glance_artifacts_plugin was moved from additional
    components to murano settings in mitaka. Thus, need to
    add backward copmatibility for old environments after
    upgrade.

    Change-Id: I46e04d5952c128572fd79818b833daee8911389f
    Closes-Bug: #1595821
    (cherry picked from commit 99050bb609179d523171a1ac6eff354725606f16)