piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 95e5384af3edf2804275ce97b331fcface8365f0

Nick Mathewson 95e5384af3 Change many files to new log_fn format		23 lat temu
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CLIENTS	f8c6339979 update docs to reflect a bit more reality	23 lat temu
FAQ	e0d734eb69 update based on discussions at discex iii	23 lat temu
HACKING	1ae95f66ed bring docs closer to reality	23 lat temu
TODO	95e5384af3 Change many files to new log_fn format	23 lat temu
rendezvous.txt	cb8ebfcf29 folding in nick's suggestion	23 lat temu
tor-spec.txt	b9480620c6 Make log_fn work on apples with no workarounds needed in main code	23 lat temu