Developer credits
Git commits in Moodle 2.2.x 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.