Git commits in Moodle 2.2.10 by Simon Coggins

commit 841dce1795a6450b5962aaf0b1023e78c1911a4a
Author: Simon Coggins <simon.coggins@totaralms.com>
Date:   Wed, 13 Mar 2013 07:28:09 +0800
Tag:    v2.2.10

MDL-38450 mod: Fix upgrade warnings due to empty database field defaults