Git merges in Moodle 3.5.9 by Sara Arjona

commit d394a22ee6c71782f6b5a4f9a266ec577515a2b9
Author: Sara Arjona <sara@moodle.com>
Date:   Fri, 08 Nov 2019 22:39:50 +0800
Tag:    v3.5.9

Merge branch 'install_35_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_35_STABLE

commit 282c4224dab4b242f66f75f631b79e375e8aa6ab
Author: Sara Arjona <sara@moodle.com>
Date:   Fri, 08 Nov 2019 00:41:53 +0800
Tag:    v3.5.9

Merge branch 'MDL-66683-35' of git://github.com/cescobedo/moodle into MOODLE_35_STABLE