Git commits in Moodle 3.8.4 by Bas Brands

commit a66d07b15ce676be97b97d7544d1a49544a91ab9
Author: Bas Brands <bas@moodle.com>
Date:   Wed, 24 Jun 2020 15:06:21 +0800
Tag:    v3.8.4

MDL-69122 report_competency: fix clearfix

commit a4099f2932aebc4fc32163b0a7ad390d566247c2
Author: Bas Brands <bas@moodle.com>
Date:   Thu, 11 Jun 2020 16:22:00 +0800
Tag:    v3.8.4

MDL-69021 theme_boost: improve link styles in alerts

commit 8cf375b6279ff679abc906480348fdf7ab0ae10c
Author: Bas Brands <bas@moodle.com>
Date:   Wed, 10 Jun 2020 21:08:41 +0800
Tag:    v3.8.4

MDL-69006 repository_flickr: flickr authentication fails

commit ef874ad92859c59ef5d9ca2c70c2543db6662b0b
Author: Bas Brands <bas@moodle.com>
Date:   Tue, 09 Jun 2020 21:39:34 +0800
Tag:    v3.8.4

MDL-68864 qtype_multichoice: shift focus to first option on keyboard tab

commit 9a33db6beac8de4574116708dae37ab9177ad45d
Author: Bas Brands <bas@moodle.com>
Date:   Wed, 03 Jun 2020 23:40:33 +0800
Tag:    v3.8.4

MDL-68864 qtype_multichoice: clearchoice

commit f4a77e8381da5e5229a3a658a83f91a42eeb06ae
Author: Bas Brands <bas@moodle.com>
Date:   Tue, 26 May 2020 17:44:54 +0800
Tag:    v3.8.4

MDL-68828 theme_classic: fix for mobile

commit 1dafe5fbe57f0f1aeadeb51aad1903b58d7b2daf
Author: Bas Brands <bas@moodle.com>
Date:   Wed, 15 Apr 2020 19:51:46 +0800
Tag:    v3.8.4

MDL-68103 theme_classic: show content full width when printing

commit 8a977030fcb76a1495cad6c24453c31b1b744b45
Author: Bas Brands <bas@moodle.com>
Date:   Tue, 07 Apr 2020 22:49:21 +0800
Tag:    v3.8.4

MDL-68270 core_output: prevent blurring of navbar logo