piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ a386e3a8e6aefb7f69d6b5f0190ac7052f0f46f9

Roger Dingledine 9566ac4799 some patches on nick's commit		21 gadi atpakaļ
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CLIENTS	7a18057357 starting to document what clients need to do and why	21 gadi atpakaļ
tor-spec.txt	9566ac4799 some patches on nick's commit	21 gadi atpakaļ