Git commits in Moodle 2.4.5 by Martin Langhoff

commit 2122af37b68af1ed0f7d7b7190b9d2b9922f5860
Author: Martin Langhoff <martin.langhoff@remote-learner.net>
Date:   Wed, 12 Jun 2013 08:56:39 +0800
Tag:    v2.4.5

MDL-40266 improve emulate_bound_params() for mysqli