Author: Mathew May
MDL-66958 core_grade: Add hasgrade to all external fetch webservices
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8827e573db796b22dea6e21229a420bdac9b8690
http://github.com/moodle/moodle/commit/8827e573db796b22dea6e21229a420bdac9b8690
+ 3.8 en [additionalfeedback,gradingform_rubric]