update README copyright date, reduce shoutiness
update README copyright date, reduce shoutiness

eads/dailygraphics,nprapps/dailygraphics,abcnews/dailygraphics,BenHeubl/dailygraphics,swastvedt/dailygraphics,abcnews/dailygraphics,nprapps/dailygraphics,cerealcommas/mashgraphics,louisstow/dailygraphics,abcnews/dailygraphics,tophtucker/dailygraphics,onyxfish/dailygraphics,stlpublicradio/dailygraphics,wjcjenny/dailygraphics,swastvedt/dailygraphics,louisstow/dailygraphics,wjcjenny/dailygraphics,abcnews/dailygraphics,nprapps/dailygraphics,cerealcommas/mashgraphics,louisstow/dailygraphics,stlpublicradio/dailygraphics,wjcjenny/dailygraphics,swastvedt/dailygraphics,onyxfish/dailygraphics,nprapps/dailygraphics,cerealcommas/mashgraphics,tophtucker/dailygraphics,stlpublicradio/dailygraphics,BenHeubl/dailygraphics,BenHeubl/dailygraphics,onyxfish/dailygraphics,stlpublicradio/dailygraphics,eads/dailygraphics,eads/dailygraphics