Replaced old display_byte_array with hexlify
Replaced old display_byte_array with hexlify

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