[IMP] auth_openid: forward port of patches made on... revid:chs@openerp.com-20120802102525-2uyr5za46swxs0n7 revid:chs@openerp.com-20120403093926-4222u3cs3qc10xew revid:chs@openerp.com-20120403093627-easttnf2qoemeoli bzr revid: chs@openerp.com-20120810144333-o8zejl4pmdldab6j