Git commits in Moodle 2.5.x by Martin Langhoff

commit c17768973e99f1294bc47df80197c28913b9ad42
Author: Martin Langhoff <martin.langhoff@remote-learner.net>
Date:   Wed, 12 Jun 2013 08:56:39 +0800
Tag:    v2.5.1

MDL-40266 improve emulate_bound_params() for mysqli