MDL-44573: Remove HTML tags in outputs column in offline grading worksheet
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-41284 stop using log table for login weekly and monthly stats

We already have stats for each day, the SUM is what we want there...
MDL-41284 hack stats to use new log readers if available
MDL-44106 add WS_SERVER constant to all web service calls

This will help us hack around some nasty webservice problems,
such as require_login() and it will be used to set proper 'ws' origin
in logged events.
MDL-44106 add origin info to $PAGE object and use it in logs
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-44682 fix bug in decompose_update_into_safe_changes
MDL-44704 core_message: always use system context when triggering a message_sent event
MDL-42575 mod_page: revert heading option display

Reverted heading option display for page resource; made sure to not re-introduce class issues.
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