Migrations for all apps

Set up initial migrations for all of our internal apps.

We use the `autofake-first` argument to `migrate` to avoid breaking existing installs.  This command is currently sitting as a patch for south.  More information here: http://south.aeracode.org/ticket/430.  The patch was brought up to date with master here: https://github.com/philipn/django-south/tree/autofake-first