Comment (by Roland Haas):

@Gabriele Bozzola for inclusion in in the ET, at least one of the ET maintainers (http://einsteintoolkit.org/maintainers-credits.html) should have write permission to the repository. Is that already the case? In this case @Steven R. Brandt may be the best person to give access to since he is release mananger ie will have to create tags or ensure that they have been created otherwise.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2538/inclusion-of-kuibit