Remove Django < 1.7 compat code
Remove Django < 1.7 compat code

franga2000/django-machina,franga2000/django-machina,ellmetha/django-machina,franga2000/django-machina,ellmetha/django-machina,reinbach/django-machina,reinbach/django-machina,reinbach/django-machina,ellmetha/django-machina