Git commits in Moodle 2.6.x by Martin Langhoff

commit 4f3e38e745c389af48525f6355a19359a374e987
Author: Martin Langhoff <martin.langhoff@remote-learner.net>
Date:   Wed, 12 Jun 2013 08:56:39 +0800
Tag:    v2.6.0-beta

MDL-40266 improve emulate_bound_params() for mysqli