Author: Shamim Rezaie
MDL-75155 grades: Use the select_menu widget
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fa59f35ca40ac4111e63e8923df7abe4e1435e35
http://github.com/moodle/moodle/commit/fa59f35ca40ac4111e63e8923df7abe4e1435e35
+ 4.1 en [exportas,core_grades]
+ 4.1 en [importas,core_grades]