Git commits in Moodle 3.1.5 by Pau Ferrer Ocaña

commit d3a22bc5a829710ee70614d82e1585a04d90e268
Author: Pau Ferrer Ocaña <crazyserver@gmail.com>
Date:   Mon, 02 Jan 2017 20:00:35 +0800
Tag:    v3.1.5

MDL-57554 forum: Mark as read on view_forum_discussion calls