NREL/reVX: Offshore fixes, refactors, and clean-up

What's Changed better logic on simple plant builder to always build by iterating thr… (#100) @grantbuster added share_resource flag to simple plant builder with check in self.… (#99) @grantbuster Bug Fixes Offshore inputs mem fixes (#105) @MRossol Dist to port refactor to fix memory usage issues (#103) @MRossol Updates set onshore to -1 in cost array (#104) @MRossol Dist to port refactor to fix memory usage issues (#103) @MRossol Dist to ports refactor to dump geotiffs and then collect to .h5(#102) @MRossol Dist to port haversine distance test (#101) @MRosso