Fix for GRILL-500 - Thrift union type support and fixed HIVE-2390
Reverted deleted file
Reverted deleted file
Fixed formatting
Removed unused code and fixed formatting
Fixed some more formatting issues
Fixed NPE
Fixed TC results
Fixed TC results in some more
Merged with develop
HIVE-7936 - fixed test o/p
Merged with develop
Merged with develop
Merge pull request #49 from sumashivaprasad/develop

Thrift Union changes