Git commits in Moodle 2.2.2 by Michael Aherne

commit b81c860628507e62219f3677073bc4c087497742
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Wed, 08 Feb 2012 22:41:38 +0800
Tag:    v2.2.2

MDL-31495 Performance improvement in question engine upgrade SQL