Handle documentation for turtle rename.

Doc/library/tk.rst

@@ -35,7 +35,7 @@ alternatives, see the :ref:`other-gui-packages` section.
    tkinter.rst
    tkinter.tix.rst
    tkinter.scrolledtext.rst
-   tkinter.turtle.rst
+   turtle.rst
    idle.rst
    othergui.rst
 

Doc/library/tkinter.rst

@@ -99,7 +99,7 @@ Other modules that provide Tk support include:
    Drag-and-drop support for :mod:`tkinter`. This is experimental and should 
    become deprecated when it is replaced  with the Tk DND.
 
-:mod:`tkinter.turtle`
+:mod:`turtle`
    Turtle graphics in a Tk window.
 
 

Doc/library/turtle.rst

@@ -2,7 +2,7 @@
 :mod:`turtle` --- Turtle graphics for Tk
 ========================================
 
-.. module:: tkinter.turtle
+.. module:: turtle
    :synopsis: Turtle graphics for Tk
 .. sectionauthor:: Gregor Lingl <gregor.lingl@aon.at>
 
@@ -1887,5 +1887,5 @@ Changes since Python 2.6
 - A method :meth:`Turtle.filling` has been added. It returns a boolean
   value: ``True`` if a filling process is under way, ``False`` otherwise.
   This behaviour corresponds to a ``fill()`` call without arguments in
-  Python 2.6
+  Python 2.6.