Changes (by Maxwell Rizzo):

Before each release, check that https://einsteintoolkit.org/gallery/axidilaton/index.html still works and produces correct output.

Then upload the results file to https://bitbucket.org/einsteintoolkit/www/downloads/

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2870/test-black-hole-hair-in-axi-dilaton