Git commits in Moodle 2.4.x by Aaron Barnes

commit 3220058b14dfc84ac8529695b1af708be60f9a1e
Author: Aaron Barnes <aaron.barnes@hbcosmo.com>
Date:   Sat, 06 Apr 2013 19:00:05 +0800
Tag:    v2.4.4

MDL-38011 completion: Use new localised role names

commit d20826dc4c0b99a3fec95a6dbf3a98e1e1c9bad0
Author: Aaron Barnes <aaron.barnes@hbcosmo.com>
Date:   Sat, 06 Apr 2013 18:33:19 +0800
Tag:    v2.4.4

MDL-37537 completion: Fix incorrect lang string reference in block

commit 9710fe73d1796039de7a49ed9e97deaf04985dca
Author: Aaron Barnes <aaron.barnes@hbcosmo.com>
Date:   Tue, 10 Jul 2012 17:05:41 +0800
Tag:    v2.4.0-beta

MDL-34243 completion: get_criteria() incorrectly passing object