Git commits in Moodle 2.2.7 by Peter Bulmer

commit b5a0e3befb0c3a5f1fa7311b5b6a095c5ab5cfc5
Author: Peter Bulmer <peter.bulmer@catalyst.net.nz>
Date:   Tue, 27 Nov 2012 10:31:24 +0800
Tag:    v2.2.7

MDL-36838 moodle->mahara mnet SSO failure in FF17