Git commits in Moodle 2.1.0 by Jonathan Harker

commit 6e9ce8e76637d86990500598592f3bdc7a113ad3
Author: Jonathan Harker <jonathan@catalyst.net.nz>
Date:   Tue, 05 Apr 2011 12:00:21 +0800
Tag:    v2.1.0

MDL-22308 Update lib/bennu to latest upstream.