Add namespace

Add a namespace to allow storing the colorpicker into "namespace" instead "window".
Need: create the variable CPNamespace before calling executing the script.

colors.js

@@ -729,4 +729,4 @@
 		// return Math.max(min, Math.min(max, value)); // faster??
 		return (value > max ? max : value < min ? min : value);
 	}
-})(window);
+})(window, CPNamespace||window);