Support newer versions of Grappelli.
Support newer versions of Grappelli.

olivierdalang/django-grappelli-autocomplete-fk-edit-link,CrossWaterBridge/django-grappelli-autocomplete-fk-edit-link,olivierdalang/django-grappelli-autocomplete-fk-edit-link,CrossWaterBridge/django-grappelli-autocomplete-fk-edit-link