Git commits in Moodle 2.2.4 by Marina Glancy

commit c0cea70f0b5a4356dff7149151a5ebce30c3ed10
Author: Marina Glancy <marina@moodle.com>
Date:   Wed, 27 Jun 2012 10:05:12 +0800
Tag:    v2.2.4

MDL-34047 repository URL downloader must say that it returns only images