Git commits in Moodle x.x.x by Tung Thai

commit 15a00bead1d7b38513c4f80adf039194cfe4ef4b
Author: Tung Thai <tungthai.it91@gmail.com>
Date:   Wed, 15 Apr 2020 18:18:32 +0800
Tag:    v3.9.0-beta

MDL-66992 core_badges: Add support to Open Badges 2.1


commit d363a5c2e64a235224116deed69a59c906b4a460
Author: Tung Thai <tungthai.it91@gmail.com>
Date:   Tue, 07 Aug 2018 02:15:03 +0800
Tag:    v3.6.0-beta

MDL-58454 badges: Open Badges Specification Version 2.0 Changes