Git commits in Moodle 2.2.5 by Jean-Philippe Gaudreau

commit 1a73d34c10643d0b997836641afe1393dae666b8
Author: Jean-Philippe Gaudreau <jp.gaudreau@umontreal.ca>
Date:   Wed, 22 Aug 2012 22:09:11 +0800
Tag:    v2.2.5

MDL-34997 - Allow shortened url youtu.be and y2u.be for Youtube filter


commit 0319cba7eeceefd948ff08a41a4455635afaea05
Author: Jean-Philippe Gaudreau <jp.gaudreau@umontreal.ca>
Date:   Tue, 17 Jul 2012 21:01:10 +0800
Tag:    v2.2.5

MDL-31516 Fixing grade_edit_tree::format_number