Git commits in Moodle 3.6.0 by Michaël Marinetti

commit cde2530c549d08c71fd7f5b9406dd185600ee13b
Author: Michaël Marinetti <github@marinetti.fr>
Date:   Wed, 12 Sep 2018 15:16:38 +0800
Tag:    v3.6.0-beta

MDL-62294 lessphp: Fix for PHP 7.2 compatibility