SQOOP-945: Integration: Auxiliary methods that will support export

(Jarek Jarcec Cecho via Kate Ting)
SQOOP-1077: Integration: Create Netezza provider

(Jarek Jarcec Cecho via Kate Ting)
SQOOP-1080: Sqoop2: Investigate Jenkins test failures

(Venkat Ranganathan via Jarek Jarcec Cecho)