Turkle

Changed
- Upgrade to Django 3.2
Added
- RESTful API
Fixed
- Fixed deleting users
- Fixed docker builds

Changed
- Upgrade to Django 3.1
- Upgrade dependencies
- Made Turkle an installable package
Fixed
- postgres database support fixed

Added
- Adds `TURKLE_ANONYMOUS_TASKS` flag to turn off anonymous tasks

Fixed
- Display of password validation errors
Added
- Configurable metatags
- Hook in login template for consent banner
- Documentation for configuring email behind reverse proxy

Fixed
- Cron job for docker-compose MySQL setup works now.
- Turkle logging sent to console in docker images.
Added
- Adds a favicon.
Changed
- Switching to Debian based images for Docker due to RedHat dropping CentOS.

Added
- Add "Activity Calendar Heatmap" visualization to Batch Stats and
Project Stats admin views and User Stats view. Visualization shows
how many Task Assignments were completed for each day of the past
year.
- Add "Active Projects" admin view that uses the "Activity Calendar
Heatmap" visualization to show activity on all projects active
in last N days.
- Add "Active Users" admin view that lists all users active in last
N days.
Changed
- Users with Staff privileges can now access User Stats view for
any User. The User table on the User Admin changelist page now
includes a link to the Stats page for each User.