added BTC support to send
added BTC support to send

tokenly/counterparty-lib,Ziftr/counterpartyd,Reddcraft/reddcraftd,Reddcraft/reddcraftd,metronotes-beta/metronotesd,Dogeparty/dogepartyd,CounterpartyXCP/counterparty-lib,coinwarp/dogeparty-lib,ClearingHouse/clearinghoused,paytokens-beta/paytokensd,F483/counterparty-lib,stefcrypto/counterparty-lib,Bluejudy/bluejudyd,Dogeparty/dogepartyd,Bluejudy/bluejudyd,F483/counterparty-lib,monaparty/counterparty-lib,Peertokens/peertokensd,gotcha/testcounter,patricklodder/dogepartyd,Metronote/metronotesd-alpha,ClearingHouse/clearinghoused,monaparty/counterparty-lib,Litetokens/litetokensd,jarymoth/counterpartyd,CounterpartyXCP/counterparty-lib,Ziftr/counterpartyd,Czarparty/czarpartyd,Paytokens/paytokensd,Tetchain/tetchaind,Tetchain/tetchaind