Update Demo README.

Demo/README

@@ -22,6 +22,8 @@ comparisons	A set of responses to a really old language-comparison
 
 curses          A set of curses demos.
 
+distutils       Test for using transparent 2to3 conversion in distutils.
+
 embed           An example of embedding Python in another application
                 (see also pysvr).
 
@@ -29,7 +31,7 @@ imputil		Demonstration subclasses of imputil.Importer.
 
 md5test         Test program for the optional md5 module.
 
-metaclasses	The code from the 1.5 metaclasses paper on the web.
+newmetaclasses  Demonstration of metaclasses.
 
 parser          Example using the parser module.
 
@@ -55,6 +57,8 @@ tix		Demos using the Tix widget set addition to Tkinter.
 tkinter         Demos using the Tk interface (including Matt Conway's
                 excellent set of demos).
 
+turtle          Demos for the "turtle" module.
+
 xml             Some XML demos.
 
 zlib            Some demos for the zlib module (see also the standard