Updated py-setuptools to 22.0.5.

v22.0.5
-------

* #604: Restore repository for upload_docs command
  to restore publishing of docs during release.

v22.0.4
-------

* #589: Upload releases to pypi.io using the upload
  hostname and legacy path.

v22.0.3
-------

* #589: Releases are now uploaded to pypi.io (Warehouse)
  even when releases are made on Twine via Travis.

v22.0.2
-------

* #589: Releases are now uploaded to pypi.io (Warehouse).

v22.0.1
-------

* #190: On Python 2, if unicode is passed for packages to
  ``build_py`` command, it will be handled just as with
  text on Python 3.

v22.0.0
-------

Intended to be v21.3.0, but jaraco accidentally released as
a major bump.

* #598: Setuptools now lists itself first in the User-Agent
  for web requests, better following the guidelines in
  `RFC 7231
  <https://tools.ietf.org/html/rfc7231#section-5.5.3>`_.

(wiz)