Bug 922377: Support logging into the admin interface with Persona.

Currently points towards a django-browserid branch with un-merged code.
Once the feature lands in django-browserid's master branch we'll update
the submodule to reference it.
Merge pull request #5 from Osmose/browserid-admin

Browserid admin
Switch back to MySQL for prod stackato env
Upgrade RNA submodule to latest master

1c91e65 Fix Bug 937788 - Add releases to non-legacy API
7dbd0d6 Add basic docs and requirements
2b9dd50 Sync up setup.py's requirements with the pip requirements
5b1212f Add Release migration
7081e16 Include management commands when installed
6b40edb Doh, we need the management package too
0350421 Simplify data model and add method for retrieving notes for
        a release
Update SECURE_PROXY_SSL_HEADER for stackato 2.10
[fix bug 932003] Add first draft of docs.