image list: Add Checksum column

[Marc Abramowitz]

The checksum could potentially be useful for spotting duplicated images or
checking if images with the same name are identical or different.

    $ openstack image list --long --column=ID --column=Name --column=Size --column=Checksum --sort=checksum
    WARNING: openstackclient.common.utils is deprecated and will be removed after Jun 2017. Please use osc_lib.utils
    +--------------------------------------+----------------------------------------------------------------------------+-------------+----------------------------------+
    | ID | Name | Size | Checksum |
    +--------------------------------------+----------------------------------------------------------------------------+-------------+----------------------------------+
    | c75ea5df-370c-4c7d-bda5-12e021e307d9 | bizsys01-may232016 | 21474836480 | 00f72c11d4cb24998f151d40c3f1ee1b |
    | 52b6a57c-e695-4c42-8a49-bec4bc160873 | Koala.2016-05-02-128 | 864813056 | 04c366f858af03c7ebabe71c161ce4fa |
    | c512120f-289d-4a14-a28b-8e38b9c4b66a | blog_test | 8589934592 | 050dd0b2a3ed2b974a604cb55464356b |
    +--------------------------------------+----------------------------------------------------------------------------+-------------+----------------------------------+

[Marc Abramowitz (msabramo)]

Oops, sorry, Rajasi! I forgot to assign this to myself. I already have a change set for this:

https://review.openstack.org/339170

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/339170
Committed: https://git.openstack.org/cgit/openstack/python-openstackclient/commit/?id=8bbf30498eb34990cb9bc7c7af418216d47f0421
Submitter: Jenkins
Branch: master

commit 8bbf30498eb34990cb9bc7c7af418216d47f0421
Author: Marc Abramowitz <email address hidden>
Date: Thu Jul 7 11:18:50 2016 -0700

    image list: Add Checksum column

    The checksum could potentially be useful for spotting duplicated images or
    checking if images with the same name are identical or different.

    Closes-Bug: #1602073

    Change-Id: Ia0c41970c846d550de14297e18bc738e847e5a3b

[Doug Hellmann (doug-hellmann)]

This issue was fixed in the openstack/python-openstackclient 3.0.0 release.