Cycles / Toon BSDF:

* Added a toon bsdf node to Cycles. This was already available as OSL only closure, but is now available inside the SVM backed as well, for CPU and GPU rendering. 
* There are 2 variations available, diffuse and glossy toon, selectable via a menu inside the node. 

Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/Shaders#Toon

Example render & blend file:
http://www.pasteall.org/pic/show.php?id=51970
http://www.pasteall.org/blend/21579

release/scripts/templates_osl/toon_closure.osl

@@ -1,12 +0,0 @@
-
-shader node_toon_bsdf(
-	color Color = 0.8,
-	float Size = 0.5,
-	float Smooth = 0.0,
-	normal Normal = N,
-	output closure color Diffuse = 0,
-	output closure color Specular = 0)
-{
-	Diffuse = Color * diffuse_toon(Normal, Size, Smooth);
-	Specular = Color * specular_toon(Normal, Size, Smooth);
-}