edx/edx-platform — pull request #450 by jbau (2013-07-20 00:45:24+00:00)
Title: Allow session backend to be configurable 

@cpennington @e0d (allows stanford to play with using cached_db sessions)

and also add PLATFORM_NAME to cms settings (it was throwing 500s for Stanford when the CMS
calls render_from_lms)