piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 70075933c65d606a1b4dd24bff88ae10becea87d

Nick Mathewson 014198e758 Our new favored MS build environment is vc7/visual studio .net; vc6 is just too broken.		20 éve
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vc6	39ff8047a8 Revise project files; make them work	20 éve
vc7	014198e758 Our new favored MS build environment is vc7/visual studio .net; vc6 is just too broken.	20 éve