Whitelist Hive Tests

This is ready when Jenkins is.

Author: Michael Armbrust <michael@databricks.com>

Closes #596 from marmbrus/moreTests and squashes the following commits:

85be703 [Michael Armbrust] Blacklist MR required tests.
35bc311 [Michael Armbrust] Add hive golden answers.
ede98fd [Michael Armbrust] More hive gitignore
da096ea [Michael Armbrust] update whitelist