added left, right colorbard
added left, right colorbard

ghisvail/vispy,Eric89GXL/vispy,michaelaye/vispy,Eric89GXL/vispy,Eric89GXL/vispy,ghisvail/vispy,drufat/vispy,michaelaye/vispy,drufat/vispy,michaelaye/vispy,ghisvail/vispy,drufat/vispy