Git commits in Moodle 3.8.6 by Luca Bösch

commit 4cf56a012d8b381a02b777ab28fc185230c0704c
Author: Luca Bösch <luca.boesch@bfh.ch>
Date:   Thu, 22 Oct 2020 05:24:42 +0800
Tag:    v3.8.6

MDL-69995 backup: padding before activity icons.

commit 320c5ec06c93569cb6a602988635e620bd18c074
Author: Luca Bösch <luca.boesch@bfh.ch>
Date:   Wed, 21 Oct 2020 17:04:22 +0800
Tag:    v3.8.6

MDL-69945 core_calendar: let circles appear as circles

commit a04cc0b511acd4cb6277daea8641bf124485940b
Author: Luca Bösch <luca.boesch@bfh.ch>
Date:   Fri, 16 Oct 2020 21:43:50 +0800
Tag:    v3.8.6

MDL-69945 core_calendar: let circles appear as circles

commit e92ac3eaf7fcb4944934094f9faaaf8f480f0f7f
Author: Luca Bösch <luca.boesch@bfh.ch>
Date:   Fri, 16 Oct 2020 06:25:57 +0800
Tag:    v3.8.6

MDL-37226 assign: align select all header checkbox