piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 5a8dcca8f7f8637792d63a9aec1408da26c7cbe6

Nick Mathewson a8297a301e Changes file for feature3630		%!s(int64=14) %!d(string=hai) anos
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4027-diagnose	2394c74017 Log errno on listener socket creation failure.	%!s(int64=14) %!d(string=hai) anos
bug4059	bfa75f70bb changes file for bug 4059	%!s(int64=14) %!d(string=hai) anos
feature3630	a8297a301e Changes file for feature3630	%!s(int64=14) %!d(string=hai) anos