add constants for libbitcoin_server and libbitcoin_server_testnet
add constants for libbitcoin_server and libbitcoin_server_testnet

saltduck/OpenBazaar-Server,cpacia/OpenBazaar-Server,OpenBazaar/Network,cpacia/OpenBazaar-Server,OpenBazaar/Network,OpenBazaar/OpenBazaar-Server,tomgalloway/OpenBazaar-Server,OpenBazaar/OpenBazaar-Server,tyler-smith/OpenBazaar-Server,saltduck/OpenBazaar-Server,tomgalloway/OpenBazaar-Server,tyler-smith/OpenBazaar-Server,OpenBazaar/Network,hauxir/OpenBazaar-Server,tomgalloway/OpenBazaar-Server,cpacia/OpenBazaar-Server,saltduck/OpenBazaar-Server,hauxir/OpenBazaar-Server,tyler-smith/OpenBazaar-Server,hauxir/OpenBazaar-Server,OpenBazaar/OpenBazaar-Server