The sense of the good and bad value has changed.
Use the mungeQA filter, not the new proposed one.
Merge branch 'munge-not-filter' into develop
Use mungeQA, not some proposed other filter.
Merge branch 'play-button' into develop
Merge branch 'develop' into ospalh-special-develop

Conflicts:
	kanjitips/tips.py

Get rid of one of the proposed filters.
Use the revamped `aqt.reviewer.Reviewer.correct`, turned into a filter again.
Clean-up.
Bump version.