Fixed legend style updating, deleted obsolete 'legend_click' function
Fixed legend style updating, deleted obsolete 'legend_click' function

dmadeka/bqplot,SylvainCorlay/bqplot,rmenegaux/bqplot,ChakriCherukuri/bqplot,ssunkara1/bqplot,SylvainCorlay/bqplot,bloomberg/bqplot,ssunkara1/bqplot,dmadeka/bqplot,bloomberg/bqplot,bloomberg/bqplot,ChakriCherukuri/bqplot,ChakriCherukuri/bqplot,SylvainCorlay/bqplot,rmenegaux/bqplot