piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 92019ca9e7f58e8cad5f80b5a43ce01989415edf

Code added to Tor to support PIR-based onion service descriptor lookups

Bruce Montrose 92019ca9e7 Added -lpopt to Makefiles		%!s(int64=22) %!d(string=hai) anos
src	92019ca9e7 Added -lpopt to Makefiles	%!s(int64=22) %!d(string=hai) anos
TODO	f00ef2098a made it clearer that the ORs currently don't support padding at all	%!s(int64=22) %!d(string=hai) anos