Author: Jun Pataleta
MDL-36404 gradingform_rubric: Accessibility fixes rubric grading
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e9088e28accd031bb37cbb3f254f287197e9927a
http://github.com/moodle/moodle/commit/e9088e28accd031bb37cbb3f254f287197e9927a
+ 3.1 en [criterion,gradingform_rubric]
+ 3.1 en [criterionremark,gradingform_rubric]
+ 3.1 en [level,gradingform_rubric]
+ 3.1 en [leveldelete,gradingform_rubric]
+ 3.1 en [leveldefinition,gradingform_rubric]
+ 3.1 en [levelsgroup,gradingform_rubric]
+ 3.1 en [scoreinputforlevel,gradingform_rubric]