Update py-virtualenv to 14.0.1:

14.0.1 (2016-01-21)
-------------------

* Upgrade from pip 8.0.0 to 8.0.2.

* Fix the default of ``--(no-)download`` to default to downloading.

14.0.0 (2016-01-19)
-------------------

* **BACKWARDS INCOMPATIBLE** Drop support for Python 3.2.

* Upgrade setuptools to 19.4

* Upgrade wheel to 0.26.0

* Upgrade pip to 8.0.0

* Upgrade argparse to 1.4.0

* Added support for ``python-config`` script (:pull:`798`)

* Updated activate.fish (:pull:`589`) (:pull:`799`)

* Account for a ``site.pyo`` correctly in some python implementations (:pull:`759`)

* Properly restore an empty PS1 (:issue:`407`)

* Properly remove ``pydoc`` when deactivating

* Remove workaround for very old Mageia / Mandriva linuxes (:pull:`472`)

* Added a space after virtualenv name in the prompt: ``(env) $PS1``

* Make sure not to run a --user install when creating the virtualenv (:pull:`803`)

* Remove virtualenv file's path from directory when executing with a new
  python. Fixes issue :issue:`779`, :issue:`763` (:pull:`805`)

* Remove use of () in .bat files so ``Program Files (x86)`` works :issue:`35`

* Download new releases of the preinstalled software from PyPI when there are
  new releases available. This behavior can be disabled using
  ``--no-download``.

* Make ``--no-setuptools``, ``--no-pip``, and ``--no-wheel`` independent of
  each other.


(wiz)