Update image button has been described as Edit Image in Mitaka

[maoshuai]

Update image button has been described as Edit Image in Mitaka.
And the title of Update Image windows also has changed.
In the Update images section should update this description to match the Mitaka release.
-----------------------------------
Release: 0.9 on 2016-07-21 19:04
SHA: 3be4e076063bc5d8abcccafa2cd06fb67cb5ebaf
Source: http://git.openstack.org/cgit/openstack/openstack-manuals/tree/doc/admin-guide/source/dashboard_manage_images.rst
URL: http://docs.openstack.org/admin-guide/dashboard_manage_images.html

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/346285

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/346285
Committed: https://git.openstack.org/cgit/openstack/openstack-manuals/commit/?id=7875133fb2a7decc09c018238c2e2b14374e49aa
Submitter: Jenkins
Branch: master

commit 7875133fb2a7decc09c018238c2e2b14374e49aa
Author: maoshuai <[e-mail]>
Date: Sat Jul 23 08:53:50 2016 +0800

    [admin-guide]fix operation steps in Update images

    Change-Id: I375a990bfae0a3b0cc4fbbd2aaac1e11e87c4179
    Closes-Bug: #1605451

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/openstack-manuals 15.0.0 release.