Added check for HIVE_HOME
Added check for HIVE_HOME

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