Git merges in Moodle 2.0.9 by Aparup Banerjee

commit 3c666bb0cfc2c134c812997faf0031e5d3296772
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Thu, 05 Apr 2012 16:20:13 +0800
Tag:    v2.0.9

Merge branch 'install_20_STABLE' of git://github.com/amosbot/moodle into MOODLE_20_STABLE