[tor-mirrors] re-add tor.calyxinstitute.org

-nick at calyx dot com, The Calyx Institute, US, United States, North America, TRUE, FALSE, No, http://tor.calyxinstitute.org, <http://tor.calyxinstitute.org%2C/> https://tor.calyxinstitute.org, <https://tor.calyxinstitute.org%2C/> , , http://tor.calyxinstitute.org/dist/, https://tor.calyxinstitute.org/dist/, , http://tmdrhl4e4anhsjc5.onion <http://tmdrhl4e4anhsjc5.onion%2C/> -- Nicholas Merrill Executive Director The Calyx Institute 287 Spring Street New York, NY 10013