ipython/ipython — pull request #2479 by minrk (2012-10-11 20:00:00+00:00)
Title: use new _winapi instead of removed _subprocess

`_subprocess` is removed in Python 3.3, and the relevant names relocated to a new `_winapi` module.

closes #2471

should be back ported to 0.13.1 because all zmq-based IPython will fail on win/py3.3 without it.

ref: http://bugs.python.org/issue11750