Author: Marina Glancy
MDL-13831 grades: allow to set gradepass in mod_form
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c977b350593229518b49ac80c583623af9e74946
http://github.com/moodle/moodle/commit/c977b350593229518b49ac80c583623af9e74946
+ 2.9 en [gradepassgreaterthangrade,core_grades]