Git commits in Moodle 3.9.x by Tim Schroeder

commit 054d5c0f04eb88c923fdaebabf552f45437729f6
Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de>
Date:   Tue, 03 Nov 2020 18:53:32 +0800
Tag:    v3.9.7

MDL-70110 assign: fixed ws get_submissions for groups

commit f131e22bc47b7932991411bf2ca1dc4bc00a785f
Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de>
Date:   Thu, 16 Jul 2020 23:22:30 +0800
Tag:    v3.9.2

MDL-60574 atto_undo: fixed redo erasing content

commit 5760d9a09f401d5e4be2fae81107321d798c3210
Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de>
Date:   Thu, 07 May 2020 03:14:06 +0800
Tag:    v3.9.0-beta

MDL-68629 mod_choice: multilang coursename support

commit ff92024ec2def338366a06abf8c6124b9b532819
Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de>
Date:   Tue, 05 May 2020 03:00:07 +0800
Tag:    v3.9.2

MDL-68605 mod_assign: return grp submissns from ws

commit f0e9fa2a7bd3d7189db60f64b48bfec53a030e14
Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de>
Date:   Fri, 17 Apr 2020 03:40:01 +0800
Tag:    v3.9.3

MDL-68438 message: fixed email format change with messaging disabled

commit be8cfe6bcc78588d9461ff794d9e709d3646bce0
Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de>
Date:   Fri, 06 Dec 2019 18:42:19 +0800
Tag:    v3.9.0-beta

MDL-67471 message: fixed mark_notification_read with messaging disabled

commit 1ccc7e6600a456c495e26c88623b1627b50bb0d6
Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de>
Date:   Wed, 16 Oct 2019 23:28:04 +0800
Tag:    v3.9.0-beta

MDL-57755 message: fix notificaiton read status when messaging disabled