Updated openstack/openstack
Project: openstack-dev/devstack  4c996a75bba312426423a167c0144f72e2c16ae1

Function for auth_token middleware config

Each project was configuring the auth_token middleware using several
lines of inisets. Since all the projects should configure the
auth_token middleware in the same way create a function and call it.

Change-Id: I3b6727d5a3bdc0ca600d8faa23bc6db32bb32260