Git commits in Moodle 2.1.4 by Ruslan Kabalin

commit 186577a9d570ef1c1fbf6742fb44655c657af977
Author: Ruslan Kabalin <ruslan.kabalin@luns.net.uk>
Date:   Thu, 01 Dec 2011 01:17:12 +0800
Tag:    v2.1.4

MDL-30526 Choice: add form validation rule for numeric field