MDL-44304 assignfeedback_editpdf: Behat test for group submissions
MDL-44304 assignfeedback_editpdf: Fix fatal error when viewing team assignments with editpdf responses.
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-40451 block/glossary_random Fixed missing header when adding new block
MDL-47054 theme: fixed issue with the user rtl table
MDL-46982 core:  fixes wrong opening div tag
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
Moodle release 2.7.2
MDL-46761 fix PHPdocs on question_usage_by_activity::get_total_mark

Thanks to Tony Gardner-Medwin for spotting this.
Merge branch 'MDL-44304-27' of git://github.com/damyon/moodle into MOODLE_27_STABLE
Merge branch 'MDL-46587-27' of git://github.com/jleyva/moodle into MOODLE_27_STABLE
Merge branch 'MDL-46761_27' of git://github.com/timhunt/moodle into MOODLE_27_STABLE
Merge branch 'MDL-46821-27' of git://github.com/ankitagarwal/moodle into MOODLE_27_STABLE
Merge branch 'MDL-46564_27' of https://github.com/totara/openbadges into MOODLE_27_STABLE
MDL-45602 behat: add members to cohorts
MDL-46254 theme: apply filters to theme footnote
MDL-47080 theme: call format_string on site shortname