paypro: add a ton of extension defs.
paypro: add a ton of extension defs.

bitjson/bitcore,martindale/bitcore,bankonme/bitcore-payment-protocol,bitpay/bitcore-payment-protocol,bitpay/bitcore,Bitcoinsulting/bitcore-payment-protocol,MonetaryUnit/bitcore-payment-protocol,martindale/bitcore,MonetaryUnit/bitcore-payment-protocol,bitpay/bitcore,martindale/bitcore,bankonme/bitcore-payment-protocol,bitjson/bitcore,bitpay/bitcore,martindale/bitcore,Bitcoinsulting/bitcore-payment-protocol,bitjson/bitcore,braydonf/bitcore-payment-protocol,bitpay/bitcore-payment-protocol,braydonf/bitcore-payment-protocol,bitjson/bitcore,bitpay/bitcore