Git commits in Moodle 3.8.x by Michael Milette

commit 67ba731f8ffa59f124a72a5ee936ced98783e2da
Author: Michael Milette <michael.milette@tngconsulting.ca>
Date:   Tue, 19 May 2020 13:06:41 +0800
Tag:    v3.8.6

MDL-68766 auth: Login form: 'Log in using...' should be h3, not h6

commit 314e9a4064bf3963ab3da4e6eea07b344a09deee
Author: Michael Milette <michael.milette@tngconsulting.ca>
Date:   Tue, 19 May 2020 12:50:41 +0800
Tag:    v3.8.4

MDL-68765 auth: Login form has DIV tag with 2 CLASS attributes.

commit 9ff584a1e955fcefab0a293ea2617f04c3d3ce95
Author: Michael Milette <michael.milette@tngconsulting.ca>
Date:   Wed, 12 Feb 2020 23:37:25 +0800
Tag:    v3.8.3

MDL-66849 output: Remove custom menu title when not specified

commit 8b466d280395b905618ccc95a8a1a2d1af96626f
Author: Michael Milette <michael.milette@tngconsulting.ca>
Date:   Tue, 14 Jan 2020 05:19:31 +0800
Tag:    v3.8.2

MDL-66858 master: Enable <header> tags in Atto editor.