piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ efbcd71b9ba03c7f931b2c66a3e1b91c5f6d3eeb

Nick Mathewson fba684586f Add specification for half-open connections, modified from last week's		21 lat temu
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CLIENTS	f8c6339979 update docs to reflect a bit more reality	21 lat temu
FAQ	e0d734eb69 update based on discussions at discex iii	21 lat temu
HACKING	1ae95f66ed bring docs closer to reality	21 lat temu
TODO	95e5384af3 Change many files to new log_fn format	21 lat temu
rendezvous.txt	cb8ebfcf29 folding in nick's suggestion	21 lat temu
tor-spec.txt	fba684586f Add specification for half-open connections, modified from last week's	21 lat temu