MDL-43839 core: changed the default theme from standard to clean
MDL-44535 quiz_statistics : response analysis - limit tries counted
MDL-44075 quiz_statistics : Various coding style / phpdocs fixes
MDL-44368 use $cm->uservisible in activity names filter

This allows proper linking of groupmembersonly and conditional activities.
MDL-44511 import latest jQuery and add tests
MDL-44639 fix some phpdocs issues in tasks classes

There is also one extra () to improve code readability.
MDL-44639 fix phpdocs in scheduled tasks tool
MDL-44661 implement event->anonymous property
MDL-40059 glossary: event course_module_viewed
MDL-40059 glossary: event course_module_instance_list_viewed
MDL-40059 glossary: events for add/delete/update entries
MDL-40059 glossary: events for add/edit/delete glossary category
MDL-40059 glossary: events for entry approval/disapproval
MDL-40059 glossary: event for entry viewed
MDL-40059 glossary: unittests for events
Merge branch 'MDL-43839_clean_default3' of https://github.com/andyjdavis/moodle
MDL-43839 fixed whitepace issues
MDL-43839 fixed clean as default phpunit bugs
MDL-44661 fix legacy log reader to ignore new anonymous field
MDL-44357 theme: Allow core to compile LESS in PHP