Add Travis CI configuration
Add Travis CI configuration

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