Log message:
py-django-contrib-comments: updated to 1.9.0

1.9.0:
Added testing for Python 3.6.
Confirmed support for Django 2.0 and 2.1.
Dropped support for Django < 1.11.
ip_address is set to None when REMOTE_ADDR is empty

Log message:
Django used to include a comments framework; since Django 1.6 it's been
separated to a separate project. This is that project.

This framework can be used to attach comments to any model, so you can use it
for comments on blog entries, photos, book chapters, or anything else.