[Zope] porting from Python Methods to PythonScripts in 2.3.0; LoginManager too

[Steve Drees]

> + Delete the PythonMethods product from the Control_Panel/Products
>   management folder. 
> 
> Will I have to manually convert each existing Python Method to
> a PythonScript, or are they essentially the same type?

It's my understanding from reading release ntoes that PYthonScripts
and PythonMethods will co-exist peacefully.