added the uninstall script

pep-0376.txt

@@ -133,7 +133,7 @@ To address those issues, this PEP proposes a few changes:
 - New APIs in `pkgutil` to be able to query the information of installed
   distributions.
 - A de-facto replacement for PEP 262
-- An uninstall function in Distutils.
+- An uninstall function and an uninstall script in Distutils.
 
 
 .egg-info becomes a directory
@@ -626,6 +626,19 @@ previously installed. This is useful when a third-party program that relies
 on Distutils APIs does extra steps on the system at installation time,
 it has to undo at uninstallation time.
 
+Adding an Uninstall script
+==========================
+
+An `uninstall` script will be added in Distutils. and will be used
+like this::
+
+    $ python -m distutils.uninstall packagename
+
+Notice that script will not control if the removal of a distribution breaks
+another distribution. Although it will make sure that all the files it removes
+are not used by any other distribution, by using the uninstall function.
+
+
 Backward compatibility and roadmap
 ==================================