Consult callback target for get_extra_record_data
Consult callback target for get_extra_record_data

This helps legacy tables which don't have an obvious DataTable instance
to subclass

doganmeh/django-datatable-view,pivotal-energy-solutions/django-datatable-view,doganmeh/django-datatable-view,pivotal-energy-solutions/django-datatable-view,pivotal-energy-solutions/django-datatable-view,doganmeh/django-datatable-view