MDL-39740 grade: Fix grade_item::add_idnumber strict type checking
MDL-39759 REST SERVER HTTP response code

Moodle should response 403 if web service or REST protocol not enabled
MDL-44669: mod/assign: fix batchoperations JS when using select all checkboxes.
MDL-31679 gradereport_grader: Add a horizontal scroll bar to the top of the grader report
MDL-29572 Grade Import: Avoid creating invalid temporary rows; Provide feedback on error
MDL-44507 filemanager: indicator for clicking Download All in filemanager
MDL-44870 atto_noautolink: Remove plugin from default toolbar settings
MDL-40908 core_tag: replaced 'update' add_to_log calls with an event
MDL-40908 core_tag: replaced 'add' add_to_log call with an event
MDL-40908 core_tag: replaced 'flag' add_to_log call with an event
MDL-40908 core_tag: created a 'tag_unflagged' event
MDL-40908 core_tag: created a 'tag_deleted' event
MDL-40908 core_tag: created a 'tag_created' event
MDL-41123 report_completion: Add events to completion report

Replace add_to_log with user_report_viewed event
add a report_viewed event
MDL-40908 core_tag: created an 'item_untagged' event
MDL-39833 course: require token change

MDL-39833 course: require token change
MDL-44944 theme_bootstrapbase: fixed content spacing issue with docked region

Thanks Mary Evans for the peer-review and better solution
MDL-44971 Add hook to "add_attempt" for mod/assign/submission plugins
MDL-44765 Atto: Fix the accessibility warning events for image dialogue
MDL-41123 report_completion: Add context validations to the events