use custom user for tests if django.VERSION >= 1.5
use custom user for tests if django.VERSION >= 1.5

pombredanne/django-simple-history,treyhunner/django-simple-history,luzfcb/django-simple-history,pombredanne/django-simple-history,treyhunner/django-simple-history,luzfcb/django-simple-history,emergence/django-simple-history,emergence/django-simple-history