Bitcoin to NYC3 and update gitian compile code

test/functional/feature_nulldummy.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2016-2018 The Bitcoin Core developers
+# Copyright (c) 2016-2018 The NYC3 Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Test NULLDUMMY softfork.
@@ -17,7 +17,7 @@ import time
 from test_framework.blocktools import create_coinbase, create_block, create_transaction, add_witness_commitment
 from test_framework.messages import CTransaction
 from test_framework.script import CScript
-from test_framework.test_framework import BitcoinTestFramework
+from test_framework.test_framework import NYC3TestFramework
 from test_framework.util import assert_equal, assert_raises_rpc_error, bytes_to_hex_str
 
 NULLDUMMY_ERROR = "non-mandatory-script-verify-flag (Dummy CHECKMULTISIG argument must be zero) (code 64)"
@@ -34,7 +34,7 @@ def trueDummy(tx):
     tx.vin[0].scriptSig = CScript(newscript)
     tx.rehash()
 
-class NULLDUMMYTest(BitcoinTestFramework):
+class NULLDUMMYTest(NYC3TestFramework):
 
     def set_test_params(self):
         self.num_nodes = 1