Git commits in Moodle 3.5.3 by Fotis Skandalis

commit 11334441a82c900f4b284fbc7b28436bf8069fe6
Author: Fotis Skandalis <fotskot@gmail.com>
Date:   Mon, 10 Sep 2018 22:06:22 +0800
Tag:    v3.5.3

MDL-62714 theme_boost: Course visibility in navigation bar