[PDI-12124][PDI-11112] Added Hive proxy methods

Proxy calls to:
	PreparedStatement.setObject(int, Object)
	PreparedStatement.setNull(int, int)

Required to create reports with parameters in PRD/PUC

http://jira.pentaho.com/browse/PDI-12124
Merge pull request #107 from hudak/PDI-12124

[PDI-12124][PDI-11112] Added Hive proxy methods