Git commits in Moodle 3.5.9 by Sara Arjona

commit 7b33c5e9ec0add4036b5d5dd3427418b0ccdce7c
Author: Sara Arjona <sara@moodle.com>
Date:   Fri, 08 Nov 2019 22:39:52 +0800
Tag:    v3.5.9

weekly release 3.5.8+