add legend; correct order by reversing legendables
add legend; correct order by reversing legendables

dc-js/dc.js,mtraynham/dc.js,dc-js/dc.js,mtraynham/dc.js,aaronhoffman/dc.js,mtraynham/dc.js,TheDataShed/dc.js,aaronhoffman/dc.js,dc-js/dc.js,mtraynham/dc.js,TheDataShed/dc.js,TheDataShed/dc.js,TheDataShed/dc.js,aaronhoffman/dc.js,aaronhoffman/dc.js,mtraynham/dc.js,dc-js/dc.js,dc-js/dc.js,TheDataShed/dc.js,aaronhoffman/dc.js