removes obsolete, busted south migration, re-monkey patches __add_items into 1.7+
Revert "removes obsolete, busted south migration, re-monkey patches __add_items into 1.7+"

This reverts commit 6277f45bcac3a1bff2fa8a7cf587228d2e5610e0.
updates for Django 1.7
Fixes issue with app registry for 1.7 migrations
Merge remote-tracking branch 'origin/master'