Code for PIR-based onion service lookups (client and server)

Ian Goldberg 06e560897d Ensure the stderr integration works 6 éve
Makefile 06e560897d Ensure the stderr integration works 6 éve
pirserver.cc 746f980c29 Start the pirserver code 6 éve
pirserver.h 746f980c29 Start the pirserver code 6 éve
protocol 746f980c29 Start the pirserver code 6 éve
toyserver.cc 06e560897d Ensure the stderr integration works 6 éve