Run integration tests in docker containers both locally and against a cluster

integration_tests/blockstack_integration_tests/scenarios/issue469_1.py

@@ -72,6 +72,7 @@ def scenario( wallets, **kw ):
 
     resp = testlib.blockstack_cli_register( "foo.test", "0123456789abcdef" )
     if 'error' in resp:
+        import sys
         print >> sys.stderr, json.dumps(resp, indent=4, sort_keys=True)
         return False
 

integration_tests/blockstack_integration_tests/scenarios/name_pre_reg_fast_sync.py

@@ -29,6 +29,7 @@ import blockstack
 import blockstack_client
 import blockstack_zones
 import virtualchain
+import json
 
 wallets = [
     testlib.Wallet( "5JesPiN68qt44Hc2nT8qmyZ1JDwHebfoh9KQ52Lazb1m1LaKNj9", 100000000000 ),