glance-api-caching pipeline should use unauthenticated-context

[Dan Prince]

Glance Folsom now requires unauthenticated-context for noauth. As such the noauth version of the caching pipeline should use it (pipeline:glance-api-caching):

[pipeline:glance-api-caching]
pipeline = versionnegotiation unauthenticated-context cache rootapp

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/7167

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/7167
Committed: http://github.com/openstack/glance/commit/06821eaff2670d9f8c8a0a5be20302d1028dc2a2
Submitter: Jenkins
Branch: master

commit 06821eaff2670d9f8c8a0a5be20302d1028dc2a2
Author: Dan Prince <email address hidden>
Date: Sat May 5 22:09:19 2012 -0400

    Update noauth caching pipeline to use unauth-ctx.

    Updates the noauth version of the caching pipeline to use
    unauthenticated-context.

    Fixes LP Bug #995323.

    Change-Id: Id83be95f582a4a6ebe47dbeddc8101a51988e05e