py-setuptools: updated to 40.5.0

v40.5.0
* In pkg_resources.normalize_path, fix issue on Cygwin when cwd contains symlinks.
* Deprecated support for downloads from Subversion in package_index/easy_install.
* Dropped use of six.u in favor of u"" literals.
* Added support for data_files in setup.cfg.
* Fixed rendering of the deprecation warning in easy_install doc.

(adam)