iang/arctic: Library and benchmark program for Arctic and Shine @ 7fa9541b35d6e4c25de3aa2e5b1d16e72c6a1566

Library and benchmark program for Arctic and Shine

Ian Goldberg 7fa9541b35 hash2 and hash3 exchange names to match the paper		пре 11 месеци
src	7fa9541b35 hash2 and hash3 exchange names to match the paper	пре 10 месеци
Cargo.toml	55187fb080 Use itertools::combinations instead of rolling our own	пре 10 месеци