Git commits in Moodle 3.9.0 by Avi Levy

commit dbae95c6da6c94a7a8f0dbf30633183ee3e60185
Author: Avi Levy <avi@sysbind.co.il>
Date:   Sat, 01 Feb 2020 02:26:47 +0800
Tag:    v3.9.0-beta

MDL-45227 editor_atto: add behat test for RTL and LTR direction