[data processing] Register Image form is broken

[Chad Roberts]

When clicking on the Register Image button in the Data Processing -> Image Registry, the user gets an error message.

It looks like the glance api returns an extra value that is unexpected.

Please fix this.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/108812

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/108812
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=bb60aabcba85281e5763b4304337215b5cc5a32a
Submitter: Jenkins
Branch: master

commit bb60aabcba85281e5763b4304337215b5cc5a32a
Author: Chad Roberts <email address hidden>
Date: Tue Jul 22 14:45:55 2014 -0400

    Fixing data processing image registry

    The Data Processing Image Registry was not adapted to use
    expect the "previous" return value from glance.image_list_detailed.
    This change allows the Image Registry to work correctly again.

    Change-Id: I990962483197f54ee9436278463c4709b909297a
    Closes-Bug: #1347036