Author: Jun Pataleta
MDL-68355 gradingform_guide: Improve lang strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=08103b0a6403ba29be190e9c6dee024ead17602a
http://github.com/moodle/moodle/commit/08103b0a6403ba29be190e9c6dee024ead17602a
+ 3.9 en [commentpickerforcriterion,gradingform_guide]
+ 3.9 en [informationforcriterion,gradingform_guide]
+ 3.9 en [remark_help,gradingform_guide]
+ 3.9 en [scoreforcriterion,gradingform_guide]
+ 3.9 en [score_help,gradingform_guide]