MDL-36011 tablelib: Make column headers expand/collapse links accessible.
MDL-40997 phpunit: Assertions for events legacy data
Merge branch 'MDL-36011-master' of git://github.com/damyon/moodle
MDL-41029 core: Fix wrong guessing of course id in event base
Merge branch 'MDL-40997-master' of git://github.com/FMCorz/moodle
Merge branch 'MDL-41029-master' of git://github.com/FMCorz/moodle