OpticalFresnel now without static, new PythonAPI directory and automatic make, make install from Macros/BoostPythonGenerator

Added form factor for prism3 (of IsGISAXS) and adapted DWBASimulation to deal with multiple particles

Conflicts:
	Core/Samples/inc/ISample.h
	Core/Samples/inc/Layer.h

Rewritten IsGISAXS Example 3 code using the new Experiment class (2): added MultiLayerDWBASimulation class.

Conflicts:
	Core/Samples/inc/ISample.h
	Core/Samples/inc/Layer.h

Refactored decorator classes, added Experiment, Beam and Detector classes and added prototype pattern to many classes (clone() function)

Adapted to directory structure

Conflicts:
	Core/Core.pro