add SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM and SCRIPT_VERIFY_WITNESS handling in bitcoind json tests
add SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM and SCRIPT_VERIFY_WITNESS handling in bitcoind json tests

bitpay/bitcore,martindale/bitcore,martindale/bitcore,bitjson/bitcore,bitjson/bitcore,martindale/bitcore,bitjson/bitcore,bitpay/bitcore,bitpay/bitcore,bitjson/bitcore,martindale/bitcore,bitpay/bitcore