SPARK-2741 - Publish version of spark assembly which does not contain Hive

Provide a version of the Spark tarball which does not package Hive. This is meant for HIve + Spark users.

Author: Brock Noland <brock@apache.org>

Closes #1667 from brockn/master and squashes the following commits:

5beafb2 [Brock Noland] SPARK-2741 - Publish version of spark assembly which does not contain Hive