Features
- Added a 'course completion settings' button
- Added logging to course archiving & hiding'
- Added a modal popup window when deleting a course
- Made all buttons use moodle_url class
- Adds a link to course activity report. Default setting: hide.
- Course completion settings: Default mode: hide.
Bug fixes
- Fixed await/async problem with IE11
- Fixed enrolment key setting, when adding a key to a course which doesn't have self-enrolment enabled
- Renamed order-column to sortorder for better PostgreSQL support
- Fixed a DB execution to work with PostgreSQL, too
- Switched to a working moodlecs pipeline
- Changed a lang string for 'edit course settings'
- Fixed a problematic lang string