Fix a check in sbt/sbt (if there are multiple command line args, sbt/sbt throws an error in line 8).
Fix a check in sbt/sbt (if there are multiple command line args, sbt/sbt throws an error in line 8).

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