Tutor

- 💥[Improvement] Do not deploy an ingress or SSL/TLS certificate issuer resource by default in Kubernetes.
- [Improvement] Fix tls certificate generation in k8s.
- 💥[Improvement] Radically change the way jobs are run: we no longer "exec", but instead run a dedicated container.
- 💥[Improvement] Upgrade k8s certificate issuer to cert-manager.io/v1alpha2.
- [Feature] Add SCORM XBlock to default openedx docker image.

- [Feature] Make it easy to add custom translation strings to the openedx Docker image.
- [Improvement] Make it possible to rely on a different npm registry for faster image building.

- [Bugfix] Make sure all emails (including "password reset") are properly saved to a local file in development mode (315).
- [Improvement] Add `openedx-development-settings` patch to patch the LMS and the CMS simultaneously in development.
- [Bugfix] Fix missing celery tasks in the CMS.

- [Bugfix] Fix updates to the course structure in the LMS (302).

- [Bugfix] Fix Android app build for domain names that include a dash ("-").

- [Feature] Add `encrypt` template filter to conveniently add htpasswd-based authentication to Nginx.
- [Bugfix] Fix "missing tty" during init in cron jobs.