Git commits in Moodle 3.3.3 by Michael Aherne

commit ed73eb0dde988111f25478dac2d4822ffae126ba
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Fri, 20 Oct 2017 21:13:19 +0800
Tag:    v3.3.3

MDL-60528 grading: Accurate class names in PHPDoc