remove wininst-*.exe files from 1.1 package

This was already done for 1.0 version. See play google group topic for details "minimal Binary package of Play!"

Here is details of my blocked download of 1.1:

Archive Blocked by Webwasher
Webwasher is not able to extract all files from this archive.
It's a part of a multi-part archive.
The security settings do not allow this archive to pass without virus scanning.
Please contact your administrator.

Url: "http://download.playframework.org/1.1-nightly/play-1.1-unstable-r1011.zip"
File: "http://download.playframework.org/1.1-nightly/play-1.1-unstable-r1011.zip/play-1.1-unstable-r1011/python/Lib/distutils/command/wininst-6.exe"
File type: "application/executable"