Git commits in Moodle 2.4.5 by Nicolas Dunand

commit 04544092403e250bed74ea562b74587098d4e4ad
Author: Nicolas Dunand <nico@kolya.ch>
Date:   Mon, 03 Jun 2013 14:13:19 +0800
Tag:    v2.4.5

MDL-32480 fix display of IMS content packages with external links