Git commits in Moodle 2.1.8 by Aparup Banerjee

commit 60dce6a2c1f6555de91f47bcc657bb0a84e4773b
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Thu, 26 Jul 2012 14:31:09 +0800
Tag:    v2.1.8

weekly release 2.1.7+