Developer credits
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