Compare: http://suite.opengeo.org/geoserver/wfs?request=GetFeature&version=1.1.0&typename=usa:states&maxfeatures=1&outputformat=GML2 with http://suite.opengeo.org/geoserver/wfs?request=GetFeature&version=1.0.0&typename=usa:states&maxfeatures=1 both are GML2 but axis order differs