Merge pull request #4059 from RosettaCommons/rfalford12/membrane-pyrosetta-sci-benchmark
Membrane energy function scientific benchmarks part #3: ddG of mutation
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This pull request will add the ddG of mutation scientific benchmark tests for membrane energy functions. This test is part of a suite of four tests that can be used to compare implicit membrane models, and have been most recently used to demonstrate sizeable scientific improvements by franklin2019.