piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ a52d5d530956d2b2acf28400d1635b2fd1320f96

Nick Mathewson 579770b706 Merge branch 'maint-0.3.4'		6 lat temu
..
crypto	f45107e7de Rename crypto.c to crypto_cipher.c (since that's all it still has.)	6 lat temu
mainloop	579770b706 Merge branch 'maint-0.3.4'	6 lat temu
or	0db5c54957 Merge branch 'nss_squashed' into nss_merge	6 lat temu
proto	8505522e50 Avoid a use-after-null-check in proto_socks.c	6 lat temu
include.am	5aee26ee46 Move all use cases of micro-revision.i to a single place	6 lat temu