Crosslink keystone documentation sites

[Dolph Mathews]

Keystone has three formal documentation sites (that I'm aware of):

  http://docs.openstack.org/developer/keystone/
  http://docs.openstack.org/developer/keystonemiddleware/
  http://docs.openstack.org/developer/python-keystoneclient/

But none of these are cross-linked with each other. All three should provide top-level links to the other two, with a brief explanation as to how each component fits together with the others.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/161490

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/163263

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/163266

[Dave Chen (wei-d-chen)]

Steve, I got trouble to assign back the bug to you, it changed by the system atuomatically, pls assign back by yourself.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/161490
Committed: https://git.openstack.org/cgit/openstack/keystone/commit/?id=1fab5f0f4a1cbc398f0d084b96b54550f1665c93
Submitter: Jenkins
Branch: master

commit 1fab5f0f4a1cbc398f0d084b96b54550f1665c93
Author: Steve Martinelli <email address hidden>
Date: Wed Mar 4 18:56:30 2015 -0500

    Crosslink to other sites that are owned by Keystone

    Add links to keystoneclient and keystonemiddleware to the landing
    page. This indicates to the user that the three projects
    are related.

    Change-Id: I871f54ce424b352a206045fd6a78ee2e94ace242
    Partial-Bug: #1428321

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/163266
Committed: https://git.openstack.org/cgit/openstack/python-keystoneclient/commit/?id=997a649d2658561c8c86006d7b8fc60fb55f0dbd
Submitter: Jenkins
Branch: master

commit 997a649d2658561c8c86006d7b8fc60fb55f0dbd
Author: Dave Chen <email address hidden>
Date: Wed Mar 11 18:30:11 2015 +0800

    Crosslink to other sites that are owned by Keystone

    Add links to identity service and keystone middleware to
    the landing page. This indicates to the user that the
    three projects are related.

    Change-Id: I37bb4cd866524bad69f90c53e6a58d58202fc263
    Co-Authored-By: Steve Martinelli <email address hidden>
    Partial-Bug: #1428321

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/163263
Committed: https://git.openstack.org/cgit/openstack/keystonemiddleware/commit/?id=71fc24e325378989029d3db6d7c826cbf56a0d4c
Submitter: Jenkins
Branch: master

commit 71fc24e325378989029d3db6d7c826cbf56a0d4c
Author: Dave Chen <email address hidden>
Date: Wed Mar 11 18:05:52 2015 +0800

    Crosslink to other sites that are owned by Keystone

    Add links to identity service and keystoneclient to the
    landing page. This indicates to the user that the three
    projects are related.

    Change-Id: Ibc071f461e0ecf6419438d58afa38de6399061a6
    Co-Authored-By: Steve Martinelli <email address hidden>
    Partial-Bug: #1428321