Git commits in Moodle 2.6.3 by Juan Leyva

commit 14c16a416373f68c36b65f4653c0bd076eb0b290
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Wed, 07 May 2014 15:49:28 +0800
Tag:    v2.6.3

MDL-43119 Add valid until dates for tokens created by login/token.php