Git commits in Moodle 2.8.9 by Barbara Ramiro

commit c3ece30f180be557d157ca64af0e8dffd3e205b7
Author: Barbara Ramiro <barbara@moodle.com>
Date:   Fri, 09 Oct 2015 18:34:10 +0800
Tag:    v2.8.9

MDL-40710 Icon: More identifiable backpack icon

commit e4f2fb26653b3c2791ce907292308ba9addfaeac
Author: Barbara Ramiro <barbara@moodle.com>
Date:   Thu, 08 Oct 2015 15:10:34 +0800
Tag:    v2.8.9

MDL-40442 Icon: Improved svg download icon and png version

commit 2dffff79c73a382b655fee42bd6bddae981fa210
Author: Barbara Ramiro <barbara@moodle.com>
Date:   Tue, 29 Sep 2015 14:56:29 +0800
Tag:    v2.8.9

MDL-26429 Course completion icons for self, duration, and role.