Updated openstack/openstack
Project: openstack/keystone  f70088e6ade07f3fcb7dd1d8bf411ef682cc030c

Adds pipeline hints to the example paste config

The order of entries in the pipeline matters. The is especially true for
the application. It must always come last. None of the configuration
documentation for extensions calls this out when they tell the user to
add something to their pipeline.

Change-Id: I46b9b1ac59865d996caa4174867bcf54318035a3
Closes-Bug: #1363932