Tweaked README not to emphasize the use of testnet so much.
Tweaked README not to emphasize the use of testnet so much.

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