Git commits in Moodle 3.6.9 by Eloy Lafuente (stronk7)

commit c122a4abc7f78a09b35f2ccb5ae3ccebea88d17a
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Thu, 30 Jan 2020 23:11:13 +0800
Tag:    v3.6.9

weekly release 3.6.8+

commit 10dee69379bdd1efbb668c1b1189543d0364ccfb
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Mon, 20 Jan 2020 07:14:39 +0800
Tag:    v3.6.9

MDL-67691 behat: inform about the_following_exist() removal