Author: Petr Škoda
MDL-40910 add new core event user_graded
This event is triggered when teacher manually edits the grade in gradebook.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ffe60f5bbdd03eca4a3cde53ba04c60cb180f230
http://github.com/moodle/moodle/commit/ffe60f5bbdd03eca4a3cde53ba04c60cb180f230
+ 2.7 en [eventusergraded,core_grades]