Comment 3 for bug 1425713

Reviewed: https://review.openstack.org/158778
Committed: https://git.openstack.org/cgit/openstack/openstack-manuals/commit/?id=530f6bfb8c8d412ddc24503bd908e624be33b24a
Submitter: Jenkins
Branch: master

commit 530f6bfb8c8d412ddc24503bd908e624be33b24a
Author: gordon chung <email address hidden>
Date: Tue Feb 24 11:08:32 2015 -0500

    update ceilometer install guide and external service configuration

    - change notification_driver option to use messagingv2.
    *.openstack.common.* is pre-icehouse option.
    - add note to configure swift metrics using new ceilometermiddleware
    - update telemetry get_started guide:
      - generalise supported functions
      - fix notification agent and collector service purpose

    Closes-Bug: #1425713
    Co-Authored-By: Matt Kassawara <email address hidden>
    backport: juno
    Change-Id: I90dff1b5c2a7dd2943cfa7ff25bb63c08eb7986d