Move oauth1 extension into core

[OpenStack Infra]

https://review.openstack.org/234598
commit 78e256273a72410f11cfacde09a65eb3246d6b3c
Author: Steve Martinelli <email address hidden>
Date: Wed Oct 14 02:47:25 2015 -0400

    Move oauth1 extension into core

    Remove oauth1 as an extension and move it to a core resource.
    For now we leave the database migrations in the extension directory
    until we have a general policy for merging these into core.

    DocImpact: update keystone-paste and remove oauth1 from pipeline

    Change-Id: I0ed1ec44d42c3b379a5c2a40e3e6298842dfc01d
    Implements: bp move-extensions

[Atsushi SAKAI (sakaia)]

For example, the routing table is added.
https://review.openstack.org/#/c/234598/18/keystone/oauth1/routers.py,unified

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/310362

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/310362
Committed: https://git.openstack.org/cgit/openstack/api-site/commit/?id=08567797b801d7e26137993370cee260e88b84db
Submitter: Jenkins
Branch: master

commit 08567797b801d7e26137993370cee260e88b84db
Author: sharat.sharma <email address hidden>
Date: Wed Apr 27 12:48:06 2016 +0530

    Moved oauth1 extension into core.

    Removed oauth1 as an extension and moved it to a core resource.
    For now we leave the database migrations in the extension
    directory until we have a general policy for merging these
    into core.

    Change-Id: I66188e83e7a305c3332a171d54404f0d7ffc5cc2
    Closes-Bug: #1517706