apps.core.delivery: Temporary fix for time_of_delivery
apps.core.delivery: Temporary fix for time_of_delivery

Stopped Delivery.save() from setting time_of_delivery to now(), and
instead set auto_new_add=True on the datetimefield.

devilry/devilry-django,devilry/devilry-django,vegarang/devilry-django,vegarang/devilry-django,devilry/devilry-django,devilry/devilry-django