GitLab

- crispy-forms officially adopted

- cas is now considered an installed_app and needs to be added to the list
- somewhere between 1.7 and 1.9 'django.contrib.comments' broke, we don't use it anywhere
but if left uncommented things break. can be investigated but site is at 100% functionality without
that installed app.

ran project through flake8; remaining errors either a couple characters over the line limit (89) or stylistically intentional or logically significant

settings.py, installing new pip modules, and migrating the captcha db.