[MERGE][0.92] windows python-based installer: shortcut for uninstall action

[Martin Pool]

Martin Pool has voted approve.
Status is now: Approved
Comment:
This seems reasonable to me too; I've merged it to 0.92 and will merge 
it to trunk.  I did not change the filename, but Alexander is welcome to 
do that if he wants.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C4722F52A.6010808%40ukr.net%3E