--- a/Plugins/VcsPlugins/vcsMercurial/HgExtensionProjectHelper.py	Sat Mar 01 16:23:51 2014 +0100
+++ b/Plugins/VcsPlugins/vcsMercurial/HgExtensionProjectHelper.py	Sat Mar 01 18:35:24 2014 +0100
@@ -81,3 +81,11 @@
             reimplemented
         """
         raise NotImplementedError
+    
+    def shutdown(self):
+        """
+        Public method to perform shutdown actions.
+        
+        Note: Derived class may implement this method if needed.
+        """
+        pass