Add support for getting the user in the admin site with a mixin.
Add support for getting the user in the admin site with a mixin.

CalPolyResDev/django-clever-selects,PragmaticMates/django-clever-selects,CalPolyResDev/django-clever-selects,CalPolyResDev/django-clever-selects,PragmaticMates/django-clever-selects,PragmaticMates/django-clever-selects