Git commits in Moodle 2.5.3 by Aaron Barnes

commit 3ddd77dfd7e8694a5089e4b93e4fb87423561756
Author: Aaron Barnes <aaron@io.net.nz>
Date:   Tue, 22 Oct 2013 19:12:18 +0800
Tag:    v2.5.3

MDL-42476 report_progress: don't browser sniff for SVG support