Fix node_moved signal being sent twice in multi-table inheritance situations. #265. Thanks @matthiask
Fix node_moved signal being sent twice in multi-table inheritance situations. #265. Thanks @matthiask

watchdogpolska/django-mptt,watchdogpolska/django-mptt,watchdogpolska/django-mptt,matthiask/django-mptt,matthiask/django-mptt,watchdogpolska/django-mptt,emilhdiaz/django-mptt,matthiask/django-mptt,restless/django-mptt,matthiask/django-mptt,restless/django-mptt,emilhdiaz/django-mptt,emilhdiaz/django-mptt,restless/django-mptt,emilhdiaz/django-mptt