refactor to match shark codestyle
refactor to match shark codestyle

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