Git commits in Moodle 3.1.1 by Dani Palou

commit eef85ddc401013ab03df6a099c9b8aa751ab37af
Author: Dani Palou <dani@moodle.com>
Date:   Tue, 05 Jul 2016 16:34:52 +0800
Tag:    v3.1.1

MDL-54928 notifications: Add username to emailto users

commit c58312fe82138c21462241acbc6919245fd497ad
Author: Dani Palou <dani@moodle.com>
Date:   Mon, 04 Jul 2016 15:29:29 +0800
Tag:    v3.1.1

MDL-55113 assign: Use PARAM_RAW in onlinetext text

commit b65a928372c2e5842eaf9d544fd1381895bfb188
Author: Dani Palou <dani@moodle.com>
Date:   Thu, 16 Jun 2016 15:37:03 +0800
Tag:    v3.1.1

MDL-54928 notifications: Retrieve username from DB if empty