Zaqar plugin client error

[Randall Burt]

When using the Zaqar client plugin, attempting to create a Queue resource errors with:

heat.engine.resource AttributeError: 'ZaqarQueue' object has no attribute 'clients'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/143712

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/143712
Committed: https://git.openstack.org/cgit/openstack/heat/commit/?id=0bb1334c395181c64ba68a270cf7b01d03cf52ce
Submitter: Jenkins
Branch: master

commit 0bb1334c395181c64ba68a270cf7b01d03cf52ce
Author: Randall Burt <email address hidden>
Date: Fri Dec 19 14:33:22 2014 -0600

    Refactor Zaqar plugin client access

    Refactor client access in the Zaqar plugin to use
    the standard client plugin methods from the super
    class.

    Change-Id: I502d9294b9ec70c77ee204d7624a4d9b4d3b6d1b
    Closes-Bug: 1404370