removed selectors, cleaned up code
removed selectors, cleaned up code

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