neutron context doesn't include auth token

[Isaku Yamahata]

Discussed with the thread starting with
http://lists.openstack.org/pipermail/openstack-dev/2014-July/040644.html

Neutron context isn't populated with auth token unlike nova, glance.
Since there are several (potential) users for it. servicevm project, routervm implementation(cisco csr1kv, vyatta vrouter),
it makes sense for neutron context to include auth token.

[Akihiro Motoki (amotoki)]

https://review.openstack.org/#/c/111756/

[YAMAMOTO Takashi (yamamoto)]

duplicate of #1343854 ?

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/111756
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=f9c285fd617403ab89c857e3d8bab0d06d19d3ba
Submitter: Jenkins
Branch: master

commit f9c285fd617403ab89c857e3d8bab0d06d19d3ba
Author: Isaku Yamahata <email address hidden>
Date: Mon Aug 4 23:44:18 2014 +0900

    add auth token to context

    As discussed at
    http://lists.openstack.org/pipermail/openstack-dev/2014-July/040644.html
    SerivceVM project (and other routervm plugins) need auth token in context.
    The first user will be l3 routervm plugin.

    Closes-Bug: #1343854
    Closes-Bug: #1352698
    Change-Id: Id5a4c98059894eef33faf19d5ab063780b362f4a