SQOOP-1082: Implement pre-commit testing with Jenkins

(Jarek Jarcec Cecho via Kate Ting)
SQOOP-1087: Sqoop2: Integration: Abstract common functionality into src module

(Jarek Jarcec Cecho via Kate Ting)
SQOOP-1059. Sqoop2: Remove ad hoc modle cloning methods in common module.

(Jarek Jarcec Cecho via Hari Shreedharan)