Load saved video status
Save status
Track progress, end of video
Show lessons in the schema
MCQ: html in answers
VIDEO: Don't play on load
Q: refactor to load calls async
User html instead of text in possible answers
Add overview messages/update translations
Disable disallowance of skipping the video, video load bugfix, refactor send results
Add windmill vector/png images
Add example messages
Update fron-page menus
update Lesmateriaal translation
update Lesmateriaal translation
Remove next/back lesson buttons
Add course.json to unit.csv,lesson.csv utility
Set/get lesson status