Developer credits
Git commits in Moodle 3.5.3 by David Herney
commit 9b40d154ffff237119b6203c21abb0e354547772 Author: David Herney <davidherney@gmail.com> Date: Fri, 28 Sep 2018 07:42:50 +0800 Tag: v3.5.3 MDL-63323 course: Fixed wrong classes key in activity_navigation class