HIVE-14554: Download the spark-assembly file on itests only if the MD5 checksum file is different (Sergio Pena, reviewed by Rui Li, Sergey Shelukhin)
HIVE-14554: Download the spark-assembly file on itests only if the MD5 checksum file is different (Sergio Pena, reviewed by Rui Li, Sergey Shelukhin)

b-slim/hive,vineetgarg02/hive,vergilchiu/hive,sankarh/hive,alanfgates/hive,sankarh/hive,vineetgarg02/hive,lirui-apache/hive,jcamachor/hive,b-slim/hive,nishantmonu51/hive,b-slim/hive,nishantmonu51/hive,anishek/hive,lirui-apache/hive,vergilchiu/hive,jcamachor/hive,jcamachor/hive,anishek/hive,anishek/hive,vineetgarg02/hive,anishek/hive,alanfgates/hive,lirui-apache/hive,nishantmonu51/hive,alanfgates/hive,vergilchiu/hive,vineetgarg02/hive,nishantmonu51/hive,b-slim/hive,alanfgates/hive,lirui-apache/hive,vergilchiu/hive,jcamachor/hive,anishek/hive,nishantmonu51/hive,jcamachor/hive,vergilchiu/hive,sankarh/hive,sankarh/hive,jcamachor/hive,jcamachor/hive,lirui-apache/hive,sankarh/hive,alanfgates/hive,lirui-apache/hive,vergilchiu/hive,vineetgarg02/hive,b-slim/hive,sankarh/hive,vergilchiu/hive,lirui-apache/hive,b-slim/hive,alanfgates/hive,b-slim/hive,nishantmonu51/hive,vineetgarg02/hive,vineetgarg02/hive,vergilchiu/hive,anishek/hive,sankarh/hive,sankarh/hive,anishek/hive,vineetgarg02/hive,anishek/hive,lirui-apache/hive,vineetgarg02/hive,nishantmonu51/hive,nishantmonu51/hive,lirui-apache/hive,b-slim/hive,anishek/hive,nishantmonu51/hive,jcamachor/hive,alanfgates/hive,sankarh/hive,b-slim/hive,alanfgates/hive,jcamachor/hive,vergilchiu/hive,alanfgates/hive