move ripemd test into its own thing
move ripemd test into its own thing

BWallet/libbitcoin,swansontec/libbitcoin,libtetcoin/libtetcoin-consensus,GroestlCoin/libgroestlcoin,swansontec/libbitcoin,libtetcoin/libtetcoin-consensus,libmetrocoin/libmetrocoin-consensus,swansontec/libbitcoin,libmetrocoin/libmetrocoin-consensus,GroestlCoin/libgroestlcoin,Airbitz/libbitcoin,BWallet/libbitcoin,Airbitz/libbitcoin,libmetrocoin/libmetrocoin-consensus,BWallet/libbitcoin,libmetrocoin/libmetrocoin-consensus,BWallet/libbitcoin,GroestlCoin/libgroestlcoin,Airbitz/libbitcoin,libtetcoin/libtetcoin-consensus,libtetcoin/libtetcoin-consensus,Airbitz/libbitcoin,libtetcoin/libtetcoin-consensus,libmetrocoin/libmetrocoin-consensus,GroestlCoin/libgroestlcoin,swansontec/libbitcoin