MDL-44304 assignfeedback_editpdf: Behat test for group submissions
MDL-44304 assignfeedback_editpdf: Fix fatal error when viewing team assignments with editpdf responses.
MDL-46696 backup: Include grade history in backups
MDL-46818 core_grades: added YUI form change validation
MDL-46821 gradereport_user: Fix background color of user report
MDL-46564 badges: Fix 'All' option in badges block

Signed-off-by: Yuliya Bozhko <yuliya.bozhko@totaralms.com>
MDL-47060 Atto: Autosave - play nicely with HTML source view.

There are 2 fixes here:
1. do not overwrite the changes to the HTML source when we do an autosave.
2. Move the Atto notifications alert to the containing div so it aligns properly for either view.
MDL-40451 block/glossary_random Fixed missing header when adding new block
MDL-47122 use insert_records to improve question engine performance.
MDL-46982 core:  fixes wrong opening div tag
MDL-45602 behat: add members to cohorts
MDL-46586 files: Invalid return parameters definition in core_files_get_files external function
MDL-46587 files: Invalid $itemid conversion in core_files_get_files Web Service
MDL-46761 fix PHPdocs on question_usage_by_activity::get_total_mark

Thanks to Tony Gardner-Medwin for spotting this.
Merge branch 'MDL-44304-master' of git://github.com/damyon/moodle
Merge branch 'MDL-47060-master' of git://github.com/damyon/moodle
Merge branch 'MDL-46564_master' of https://github.com/totara/openbadges
Merge branch 'MDL-46821-master' of git://github.com/ankitagarwal/moodle
Merge branch 'MDL-46761' of git://github.com/timhunt/moodle
Merge branch 'MDL-46587-master' of git://github.com/jleyva/moodle