Git commits in Moodle 2.8.8 by Barbara Ramiro

commit 3690dd25a1dc4914f1835ab96163b9e3719db5de
Author: Barbara Ramiro <barbara@moodle.com>
Date:   Mon, 20 Jul 2015 19:30:25 +0800
Tag:    v2.8.8

MDL-50370 Icons: Filetype icon for ePub