Author: Peter
MDL-52206 core: Add completion based on pass grade
Add new completion based on pass grade to the completion criteria.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=663137748e7dcf1e31979387cf07021a1e8e2ea4
http://github.com/moodle/moodle/commit/663137748e7dcf1e31979387cf07021a1e8e2ea4
+ 4.0 en [achievingpassinggrade,core_completion]
+ 4.0 en [activitygradetopassnotset,core_completion]
+ 4.0 en [completionpassgrade,core_completion]
+ 4.0 en [completionpassgrade_desc,core_completion]
+ 4.0 en [completionpassgrade_help,core_completion]
+ 4.0 en [detail_desc:receivepassgrade,core_completion]