Applications that depend on South and have different upstream versions
in Debian 7 and Debian 8 are:
http://tracker.debian.org/pkg/python-django-voting
http://tracker.debian.org/pkg/python-django-threadedcomments
http://tracker.debian.org/pkg/python-django-reversion
http://tracker.debian.org/pkg/python-django-picklefield
http://tracker.debian.org/pkg/bcfg2