Remove underscore.js, add signature
Remove underscore.js, add signature

Signed-off-by: idafna <af0b1e572f78640f1cd8f2acfa9c25580ad2daca@bloomberg.net>

dmadeka/bqplot,bloomberg/bqplot,SylvainCorlay/bqplot,dmadeka/bqplot,bloomberg/bqplot,ChakriCherukuri/bqplot,ChakriCherukuri/bqplot,ChakriCherukuri/bqplot,SylvainCorlay/bqplot,SylvainCorlay/bqplot,bloomberg/bqplot