piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ d51de6027f71d9180caf410802936bafc154d52b

Nick Mathewson ade9204fc1 Merge branch 'maint-0.3.5' into release-0.3.5		6 lat temu
..
.dummy	df76da0f3b Add a .dummy file in the changes directory to stop git from removing it	9 lat temu
bug28895	380ae2b74b Stop logging 'Your Guard' in circpathbias.c	6 lat temu
bug28920	9d9e71824c Rework rep_hist_log_link_protocol_counts()	6 lat temu
bug28938	09472791d0 Add changes file for bug 28938	6 lat temu
bug28995	c59b572e93 Fix tor_ersatz_socketpair on IPv6-only systems	6 lat temu
ticket28669	cec616a0c8 hs-v3: Don't BUG() if descriptor is found on SOCKS connection retry	6 lat temu