Added Authorization Header flag to storyboard module

We can't log into storyboard right now because we never told wsgi
to forward the Authorization header. This fixes that.

For more information:
https://code.google.com/p/modwsgi/wiki/ConfigurationDirectives#WSGIPassAuthorization

Change-Id: Ibf8fb17569e7bb249801a8bd6971d0aa0f3ecaac