[docs] [issue12043] Update shutil documentation

[Sandro Tosi]

Changes by Sandro Tosi <sandro.tosi at gmail.com>:


Added file: http://bugs.python.org/file22549/issue12043-27.patch

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12043>
_______________________________________