Test latest-patched versions of Django in Travis CI.
Test latest-patched versions of Django in Travis CI.

AlexRiina/django-s3direct,yunojuno/django-s3-upload,bradleyg/django-s3direct,bradleyg/django-s3direct,AlexRiina/django-s3direct,yunojuno/django-s3-upload,yunojuno/django-s3-upload,AlexRiina/django-s3direct,bradleyg/django-s3direct