Walter's Polarized DWBA Zero magnetic field test for App is also working now. So, everything works, he issue can be closed. :-)

MesoCrystal test is off, new fitting examples for spheres in a lattice and corresponding changes in visitors

New Python unittest for testing IntensityData from CMake, all py examples/tests are adjusted for new getIntensityData()

Refactored FormFactor chain: transformation now sits in Particle; wavevector scattering factor and scattering density reside in the same class (FormFactorDecoratorRefractiveIndex and FormFactorDecoratorMaterial for scalar and matrix scattering respectively)

MSVC:  inline functions that use static members are moved into *.cpp files to avoid undefined symbols

MSVC: switch to boost::time instead of linux time, RootMinimizers now compiled as static, switch to MathFunctions::isnan in functional tests