SQOOP-1359: Fix avro versions in Sqoop to stop shipping hadoop1 jars with hadoop2

(Venkat Ranganathan via Jarek Jarcec Cecho)
SQOOP-1398: Upgrade ivy version used to the latest release version

(Venkat Ranganathan via Jarek Jarcec Cecho)
Preparing for release 1.4.6 development
SQOOP-1399: Fix TestOraOopJdbcUrl test case

(Abraham Elmahrek via Jarek Jarcec Cecho)