A screen factory that attempts to load a python class in the
JPython interpreter and execute it as a Turbine screen.
The JPython script should inherit from Turbine Screen or one
of its subclasses.
author: Leon Messerschmidt author: Henning P. Schmiedehausen version: $Id: PythonPageFactory.java 534527 2007-05-02 16:10:59Z tv $