bug fixes and doing transitions properly
bug fixes and doing transitions properly

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