Developer credits
Git commits in Moodle 3.6.0 by David Herney
commit 97fd2fb575b396710c107a183391034c34cd34ce Author: David Herney <davidherney@gmail.com> Date: Fri, 28 Sep 2018 07:40:46 +0800 Tag: v3.6.0-beta MDL-63323 course: Fixed wrong classes key in activity_navigation class