Git commits in Moodle 3.8.3 by Bas Brands

commit f1dbea7200dd536016667ba351edfb050fde528b
Author: Bas Brands <bas@moodle.com>
Date:   Tue, 05 May 2020 19:49:52 +0800
Tag:    v3.8.3

MDL-68266 core_message: disable custom switches for behat testing

commit 210794be382c529bf1e6771ce3bd0335a0f63c08
Author: Bas Brands <bas@moodle.com>
Date:   Tue, 31 Mar 2020 17:04:45 +0800
Tag:    v3.8.3

MDL-68301 theme_boost: move course format css

commit 5190632f6b8bfcee4ee90c3f7dd3512c8f8e8d43
Author: Bas Brands <bas@moodle.com>
Date:   Thu, 26 Mar 2020 22:47:02 +0800
Tag:    v3.8.3

MDL-68266 core_course: accessibility improvements for course managent

commit fe2fc1c79bb44518630642b9cd86226bff980772
Author: Bas Brands <bas@moodle.com>
Date:   Tue, 17 Mar 2020 20:15:34 +0800
Tag:    v3.8.3

MDL-67881 core_message: fix tab order for message drawer

commit 5288ca8a737857fda73561b197491d9dc1db7252
Author: Bas Brands <bas@moodle.com>
Date:   Wed, 04 Mar 2020 23:37:46 +0800
Tag:    v3.8.3

MDL-67901 type_multichoice: clear my choice accessibility

commit 463ad1236373db4abb4bd729beb12601347f16ab
Author: Bas Brands <bas@moodle.com>
Date:   Thu, 20 Feb 2020 18:38:47 +0800
Tag:    v3.8.3

MDL-64494 theme_boost: accessible theme colours

commit ab320de86ddea91efae0cde61af4db514e566d41
Author: Bas Brands <bas@moodle.com>
Date:   Wed, 09 Oct 2019 22:03:11 +0800
Tag:    v3.8.3

MDL-68266 theme_boost: behat enable custom switches