SQOOP-1009: Sqoop2: Integration: Create Teradata provider

(Jarek Jarcec Cecho via Kate Ting)
Merge branch 'sqoop2' of https://git-wip-us.apache.org/repos/asf/sqoop into sqoop2
SQOOP-1060: Sqoop2: Increase maximal size of custom query in Generic JDBC Connector

(Jarek Jarcec Cecho via Kate Ting)