This change also remove native libraries from SparkR to make sure our distribution works across platforms
Tested by building on Mac, running on Amazon Linux (CentOS), Windows VM and vice-versa (built on Linux run on Mac)
I will also test this with YARN soon and update this PR.
Author: Shivaram Venkataraman <shivaram@cs.berkeley.edu>
Closes#6373 from shivaram/sparkr-binary and squashes the following commits:
ae41b5c [Shivaram Venkataraman] Remove native libraries from SparkR Also include the built SparkR package in make-distribution.sh
