Import cleanup and adding one comment
Import cleanup and adding one comment

sameeragarwal/blinkdb_dev,mattyb149/blinkdb,sjyk/sampleclean,alabid/blinkdb,vax11780/shark,sameeragarwal/blinkdb_dev,vax11780/shark,mattyb149/blinkdb,mapr/shark,alabid/blinkdb,lzshlzsh/shark,mapr/shark,sameeragarwal/blinkdb_dev,sameeragarwal/blinkdb,vax11780/shark,sameeragarwal/blinkdb,lzshlzsh/shark,amplab/shark,mapr/shark,mattyb149/blinkdb,lzshlzsh/shark,sameeragarwal/blinkdb,sjyk/sampleclean,alabid/blinkdb,amplab/shark,sjyk/sampleclean,amplab/shark