Updated openstack/openstack
Project: openstack/keystone  2ec9817b3a4d44829fa3a11640d3bd2afa5576b2

Ensure token is a string

Token is passed as a header from wsgi to HTTPD
If that token is unicode, it triggers an exception in mod_wsgi

Closes-Bug: 1312971

Change-Id: I4bb6ef6c98fbcd35435956d701f1ee3281e9935a