Git commits in Moodle 3.8.x by Daniel Thies

commit f5677dadeb9302179fee3b772e5b698d5ffa32d3
Author: Daniel Thies <dethies@gmail.com>
Date:   Thu, 13 Feb 2020 23:41:14 +0800
Tag:    v3.8.2

MDL-67817 core_lang: Update timezone strings


commit b9792633c906449dc2243822c46e43652b6a51cb
Author: Daniel Thies <dethies@gmail.com>
Date:   Fri, 07 Feb 2020 23:51:19 +0800
Tag:    v3.8.2

MDL-67817 core_date: Add test for timezone localization strings


commit 4a2e0b810f05151c613068dc701e613dd1752365
Author: Daniel Thies <dethies@gmail.com>
Date:   Sun, 20 Oct 2019 12:59:14 +0800
Tag:    v3.8.3

MDL-66671 enrol_lti: Skip grade sync when cm deleted