Git commits in Moodle 3.0.7 by Luca Bösch

commit 6006cd746afcc6cf1bc61c07b53920f9ef5ba8e3
Author: Luca Bösch <luca.boesch@bfh.ch>
Date:   Thu, 10 Nov 2016 18:13:05 +0800
Tag:    v3.0.7

MDL-56623 messages: To (addressed) and to (until) different