upgrade to cryptopp 5.6.2 (from message by Erick Lavoie, thanks for that).
Merge pull request #109 from dirvine/cryptopp_upgrade

upgrade to cryptopp 5.6.2 (from message by Erick Lavoie, thanks for that...
Update crypttest benchmarks and validation suits to remove sha3 for now.
Merge pull request #110 from dirvine/cryptopp_upgrade

Update crypttest benchmarks and validation suits to remove sha3 for now.
Warning removal.