add all contributors to the AUTHORS file
add all contributors to the AUTHORS file

ordered by the time of their first contribution

flatfox-ag/django-admin-sso,flatfox-ag/django-admin-sso,allink/django-admin-sso,allink/django-admin-sso,diegobz/django-admin-sso,frog32/django-admin-sso,diegobz/django-admin-sso,frog32/django-admin-sso,matthiask/django-admin-sso,matthiask/django-admin-sso