Fixed Django 1.10 deprecation warnings described in #586
Fixed Django 1.10 deprecation warnings described in #586

jazzband/django-pipeline,jazzband/django-pipeline,beedesk/django-pipeline,d9pouces/django-pipeline,chipx86/django-pipeline,cyberdelia/django-pipeline,cyberdelia/django-pipeline,kronion/django-pipeline,chipx86/django-pipeline,d9pouces/django-pipeline,beedesk/django-pipeline,kronion/django-pipeline,chipx86/django-pipeline,beedesk/django-pipeline,jazzband/django-pipeline,theatlantic/django-pipeline,theatlantic/django-pipeline,d9pouces/django-pipeline,theatlantic/django-pipeline,cyberdelia/django-pipeline,kronion/django-pipeline