Support for list_display = ['a__b']

Up to nowlist_display does not follow foreign-keys.

I don’t have enough time and knowledge to implement this. But maybe a crowdfunding
campaign could raise enough money to pay a developer.

Do you think this would be doable?

Related ticket: https://code.djangoproject.com/ticket/5863

Related question: https://stackoverflow.com/questions/163823/can-list-display-in-a-django-modeladmin-display-attributes-of-foreignkey-field