Git commits in Moodle 2.1.x by Michael Aherne

commit 4c4c7197f046f0ee332e5c6b9be544213d6e12bf
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Sat, 10 Mar 2012 00:14:07 +0800
Tag:    v2.1.6

MDL-31979 Typo in config-dist.php

commit e0325d3c30d7d558219d729947d66a4eec1c5f36
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Wed, 08 Feb 2012 22:41:38 +0800
Tag:    v2.1.5

MDL-31495 Performance improvement in question engine upgrade SQL

commit 3152ccf0a4b9e0274995b7b0b13f9260b6d2fc63
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Tue, 17 May 2011 20:34:16 +0800
Tag:    v2.1.1

MDL-27538 Added deprecation details to functions now in $DB