Git commits in Moodle 3.9.0 by Jwalit Shah

commit d743aaf26294d7e2075ec20d0fcf68e5f1448560
Author: Jwalit Shah <jwalitshah@catalyst-au.net>
Date:   Fri, 27 Mar 2020 09:27:17 +0800
Tag:    v3.9.0-beta

MDL-66035 message: Restore missing message preferences files

commit c74ccbcbaa372aa5569a5c6ee7bbb24c6954ad3e
Author: Jwalit Shah <jwalitshah@catalyst-au.net>
Date:   Fri, 13 Dec 2019 12:01:03 +0800
Tag:    v3.9.0-beta

MDL-66200 gradebook: check selected feedback option when importing data