Git commits in Moodle 2.5.0 by Valeriy Streltsov

commit 1977123ea571c2eb2d5661beb57cffdba626ad01
Author: Valeriy Streltsov <vostreltsov@gmail.com>
Date:   Wed, 24 Apr 2013 18:14:49 +0800
Tag:    v2.5.0-rc1

MDL-39335: add an ord() unicode analog to textlib.