SQOOP-1684: Use pre-existing HBase delegation token

(Abraham Elmahrek via Jarek Jarcec Cecho)
SQOOP-1693: Upgrade Kite SDK to 0.17

(Qian Xu via Jarek Jarcec Cecho)
SQOOP-1391: Compression codec handling

(Qian Xu via Jarek Jarcec Cecho)
Merge remote-tracking branch 'origin/trunk' into trunk