Git commits in Moodle 2.1.x by Daren Chandisingh

commit 339c198adedd8a17a9dd07b283f42a14a90505f8
Author: Daren Chandisingh <daren.chandisingh@luns.net.uk>
Date:   Wed, 02 Feb 2011 18:33:16 +0800
Tag:    v2.1.2

MDL-23872 Forms Library : Updated MoodleQuickForm to honour setConstant(), prevents injection.