Git commits in Moodle 3.8.6 by Jun Pataleta

commit 7670873a09e593d93b56e931f7bab0142005cc58
Author: Jun Pataleta <jun@moodle.com>
Date:   Tue, 27 Oct 2020 17:17:02 +0800
Tag:    v3.8.6

MDL-70004 theme_boost: Do not extend alert style for question containers

commit f61badb187073153d1297e8a1edb32a65b9d7dc8
Author: Jun Pataleta <jun@moodle.com>
Date:   Tue, 27 Oct 2020 01:34:35 +0800
Tag:    v3.8.6

MDL-70004 qtype_multichoice: Set appropriate clear my choice role

commit 89ef8cc22323dddf6648133612dafa2b87ec5aa5
Author: Jun Pataleta <jun@moodle.com>
Date:   Mon, 05 Oct 2020 17:38:22 +0800
Tag:    v3.8.6

MDL-69392 question: Fix Try again button styling

commit 22e41d742fa0dc32c244f1763ba041b7bcea1b2d
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 04 Sep 2020 11:12:16 +0800
Tag:    v3.8.6

MDL-69392 theme_classic: Darken red, blue and green colours

commit e3db7a47671a2e6cff46d4ce9fa764073e1b3948
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 27 Aug 2020 22:54:48 +0800
Tag:    v3.8.6

MDL-69392 theme_boost: Improve question colour contrast

commit 22b4979999f9b1963a133207062982e107455529
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 27 Aug 2020 22:50:52 +0800
Tag:    v3.8.6

MDL-69392 theme_boost: Darken red, blue and green colours