update index page to reflect switch to svn

htdocs/index.html

@@ -166,9 +166,9 @@ li {
   </li>
 
   <li>Checkout the 
-      <a href="http://cvs.sourceforge.net/viewcvs.py/pythonnet">PythonNet</a> 
-      code 
-      from CVS. See the <a href="http://sourceforge.net/cvs/?group_id=162464">
+      <a href="http://svn.sourceforge.net/pythonnet">PythonNet</a> 
+      code from Subversion. See the 
+      <a href="http://sourceforge.net/svn/?group_id=162464">
       instructions on Source Forge</a> for details.
   </li>