Git commits in Moodle 2.2.7 by Thanh Le

commit 23a35695697b82700ecaeb24822b097d37182ae0
Author: Thanh Le <d.t.le@open.ac.uk>
Date:   Mon, 15 Oct 2012 18:13:39 +0800
Tag:    v2.2.7

MDL-32245 question bank: fix moving categories between contexts.