Git commits in Moodle 3.9.0 by Huong Nguyen

commit 81d7fd7a800d628ffaf0f5e392009e0ddeba2679
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Thu, 28 May 2020 17:41:46 +0800
Tag:    v3.9.0-beta

MDL-68802 qtype_ddimageortext: issue related to keyboard navigation

commit 1937957be3c935a652c3c90c51699beaf8bf8f71
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Fri, 08 May 2020 20:37:50 +0800
Tag:    v3.9.0-beta

MDL-68549 Drag-drop into text: minor glitches caused by MDL-68113

commit 51de017235115277a9b3202e70ccd660fb1614f9
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Tue, 28 Apr 2020 18:13:57 +0800
Tag:    v3.9.0-beta

MDL-68439 qtype_ddwtos: UI issues

commit d0311165a7c07191296055b22c23ab227e3a5822
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Tue, 28 Apr 2020 15:42:52 +0800
Tag:    v3.9.0-beta

MDL-68446 drag to image qtypes: remove hard-coded image size limits

commit a05ef1307e073e9ef42feb01db87312050328f93
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Fri, 24 Apr 2020 03:27:11 +0800
Tag:    v3.9.0-beta

MDL-58645 Drag and drop onto image questions: responsive support

commit d2fa9e7981b3c864f66dface05fe828a2887cfd1
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Wed, 08 Apr 2020 18:25:41 +0800
Tag:    v3.9.0-beta

MDL-68382 Drag and drop marker questions: responsive support

commit 8b52ca84abf3e883a2ef93996a0ece90c7b207c6
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Mon, 30 Mar 2020 13:15:56 +0800
Tag:    v3.9.0-beta

MDL-68143 Workshop: should remember collapsed/expanded sections

commit f389e916f26963f421f8cbf3c1e398c213696482
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Tue, 25 Feb 2020 15:08:03 +0800
Tag:    v3.9.0-beta

MDL-68113 Drag and drop into text questions: better responsive design

commit fbad7a51704a9f2c40cb91131249fb535bdaf74d
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Wed, 12 Feb 2020 16:45:04 +0800
Tag:    v3.9.0-beta

MDL-67942 Quiz: Quiz attempt report delete_selected_attempts issue