SQOOP-995: Sqoop2: Add cloning ability to model classes

(Vasanth kumar RJ via Jarek Jarcec Cecho)
SQOOP-1019: Sqoop2: Client side caching input forms

(Vasanth kumar RJ via Jarek Jarcec Cecho)
SQOOP-1039: Sqoop2: show version with no args should show something

(Mengwei Ding via Jarek Jarcec Cecho)
SQOOP-984: Sqoop2: Improve user experience on synchronous job submission

(Vasanth kumar RJ via Jarek Jarcec Cecho)