Make the settings Django 1.3 compatible
Make the settings Django 1.3 compatible

kviktor/djangosaml2-py3,GradConnection/djangosaml2,WiserTogether/djangosaml2,shabda/djangosaml2,City-of-Helsinki/djangosaml2,kviktor/djangosaml2-py3,City-of-Helsinki/djangosaml2,shabda/djangosaml2,advisory/djangosaml2_tenant,WiserTogether/djangosaml2,GradConnection/djangosaml2,advisory/djangosaml2_tenant