message: Fix wscript to support both Python 2 and Python 3.
diff: #! /usr/bin/env python
  # encoding: utf-8
  +try:
  from urllib2 import urlopen # Python 2
  -# from urllib.request import urlopen # Python 3
  +except ImportError:
  + from urllib.request import urlopen # Python 3
  +
  import os.path
  from subprocess import call
  import sys
  