piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 84ec78bcf8d3963a155aba3ff19cf330e9e8d5be

Roger Dingledine 84ec78bcf8 update the spec wrt choosing aci's		22 lat temu
..
CLIENTS	f8c6339979 update docs to reflect a bit more reality	23 lat temu
FAQ	fdc0389ca0 Is there a backdoor in tor?	23 lat temu
HACKING	1ae95f66ed bring docs closer to reality	23 lat temu
TODO	df5c7534b1 Move dirserv/routers code out of main.c	22 lat temu
rendezvous.txt	7afe2adbaf add a lot of todo entries, from today's meeting	23 lat temu
tor-design.tex	a7a580977c skeletal design paper	23 lat temu
tor-spec.txt	84ec78bcf8 update the spec wrt choosing aci's	22 lat temu