Git commits in Moodle 2.6.4 by Barbara Ramiro

commit 9fca4525dcd7390e8aa22745065c9826ff26f7e3
Author: Barbara Ramiro <barbara@moodle.com>
Date:   Tue, 10 Jun 2014 22:30:57 +0800
Tag:    v2.6.4

MDL-45943: Replacement for publisher icons