Add client side changes for prepare queries
Remove unnecessary logging
End to End DBStorage Fix.
Handle hive server restart
Fix columnar driver tests
REVERT restart Hive driver changes
Update documentation for prepared queries
Merge pull request #31 from InMobi/prep-queries

 Prepared queries
End to End DBStorage Fix - Review Comments Fixed.
Merge pull request #32 from sreekanth-r/db-storage-fix

DB Storage Pull Request