Bitcoin to NYC3 and update gitian compile code

test/functional/rpc_invalidateblock.py

@@ -1,10 +1,10 @@
 #!/usr/bin/env python3
-# Copyright (c) 2014-2018 The Bitcoin Core developers
+# Copyright (c) 2014-2018 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 the invalidateblock RPC."""
 
-from test_framework.test_framework import BitcoinTestFramework
+from test_framework.test_framework import NYC3TestFramework
 from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE
 from test_framework.util import (
     assert_equal,
@@ -14,7 +14,7 @@ from test_framework.util import (
 )
 
 
-class InvalidateTest(BitcoinTestFramework):
+class InvalidateTest(NYC3TestFramework):
     def set_test_params(self):
         self.setup_clean_chain = True
         self.num_nodes = 3