Git commits in Moodle 3.1.1 by Barbara Ramiro

commit 879b5bb6fc84172243c724b6c24551fdb092679d
Author: Barbara Ramiro <barbara@moodle.com>
Date:   Mon, 04 Jul 2016 11:58:21 +0800
Tag:    v3.1.1

MDL-54165 mod_assign: Layout icons for the new grading interface

commit 6294da8660c195481f56e155a76e5bbf6de12414
Author: Barbara Ramiro <barbara@moodle.com>
Date:   Thu, 26 May 2016 10:47:23 +0800
Tag:    v3.1.1

MDL-51683 design: New icon for competencies