dream_simulation: output to standard output

dream/simulation/LineGenerationJSON.py

@@ -1435,6 +1435,9 @@ def main(argv=[], input_data=None):
     if input_data:
       return outputJSONString
 
+    # Output on stdout
+    print outputJSONString
+    
 if __name__ == '__main__':
 #     cProfile.run('main()')
     main()