Git commits in Moodle 3.6.x by David Matamoros

commit 4f4d28b56ba400b3893697cbb3a7c344b98234ba
Author: David Matamoros <davidmc@moodle.com>
Date:   Mon, 02 Sep 2019 20:59:30 +0800
Tag:    v3.6.7

MDL-66354 core_calendar: Notices in error.log on calendar events

commit 2ee47aeca56a4b482b47220f5ffb710124db852e
Author: David Matamoros <davidmc@moodle.com>
Date:   Tue, 07 Aug 2018 21:29:53 +0800
Tag:    v3.6.0-beta

MDL-55744 EDITOR_ATTO: Now atto does not autosave for not loggedin user

commit 18e2f40377fc8414950d2b319960eea060c7a040
Author: David Matamoros <davidmc@moodle.com>
Date:   Mon, 06 Aug 2018 23:12:06 +0800
Tag:    v3.6.0-beta

MDL-58409 core_form: needs clean in autocomplete element