Comment (by Roland Haas):

@Samuel Cupp now that Peter has given the “no harm” go ahead, please integrate the code into the “master” branch or otherwise provide updated checkout information so that the RWZM version can be tested and downloaded by interested parties.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2602/include-regge-wheeler-zerilli-gauge-self