Author: Aaron Barnes
MDL-32249 completion: Round course grades and remove hardcoded string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=2e67e5ecbb407cf80dc25f2c2fc7135eaea61ae5
http://github.com/moodle/moodle/commit/2e67e5ecbb407cf80dc25f2c2fc7135eaea61ae5
+ 2.1 en [gradetopass,core_completion]