Add helper to migrate from south to Django 1.7 (bug #526)

Signed-off-by: Michal Čihař <michal@cihar.com>
Use south only for Django < 1.7 (bug #526)

Signed-off-by: Michal Čihař <michal@cihar.com>
Fix method name to avoid clash with Django 1.7 (bug #526)

Signed-off-by: Michal Čihař <michal@cihar.com>
Add initial Django 1.7 migrations (bug #526)

Signed-off-by: Michal Čihař <michal@cihar.com>
Document Django 1.7 upgrading (bug #526)

Signed-off-by: Michal Čihař <michal@cihar.com>