travis: no longer set Django 1.11 in allow_failures
travis: no longer set Django 1.11 in allow_failures

edoburu/django-fluent-contents,django-fluent/django-fluent-contents,django-fluent/django-fluent-contents,django-fluent/django-fluent-contents,edoburu/django-fluent-contents,edoburu/django-fluent-contents