Crashes if Growl is not running

[kfdm]

$ Contents/MacOS/Hatarake 
Traceback (most recent call last):
  File "hatarake/dist/Hatarake.app/Contents/Resources/__boot__.py", line 316, in <module>
    _run()
  File "hatarake/dist/Hatarake.app/Contents/Resources/__boot__.py", line 311, in _run
    exec(compile(source, path, 'exec'), globals(), globals())
  File "hatarake/dist/Hatarake.app/Contents/Resources/app.py", line 98, in <module>
    Hatarake().run()
  File "hatarake/dist/Hatarake.app/Contents/Resources/app.py", line 47, in __init__
    self.notifier.register()
  File "hatarake/dist/Hatarake.app/Contents/Resources/lib/python2.7/gntp/notifier.py", line 97, in register
    return self._send('register', register)
  File "hatarake/dist/Hatarake.app/Contents/Resources/lib/python2.7/gntp/notifier.py", line 204, in _send
    raise errors.NetworkError(exc)
gntp.errors.NetworkError: [Errno 61] Connection refused
2015-07-28 21:31:40.987 Hatarake[17031:1033493] Hatarake Error