Git commits in Moodle 3.8.0 by Stefan Topfstedt

commit 1606fb681259acba42d30feb41e95b21863e194b
Author: Stefan Topfstedt <Stefan.Topfstedt@ucsf.edu>
Date:   Thu, 23 May 2019 06:07:02 +0800
Tag:    v3.8.0-beta

MDL-65621 block_myoverview: tag courses as "hidden from students"