Git commits in Moodle 2.2.5 by Matt Meisberger

commit 83985d7856597962518bd1402f03e6e881c89b57
Author: Matt Meisberger <mmeisberger@webcourseworks.com>
Date:   Mon, 06 Aug 2012 04:06:04 +0800
Tag:    v2.2.5

MDL-34742 - adding ability to move blocks into empty column