Bugfix in OutputDataIterator to have masked areas in multi threaded environment, corresponding unit test.

1. HomogeneousMaterial test
2. HomogeneousMagneticMaterial test

Cleanup in performance test, new C++ functional test PolDWBAMagCylinders2 for non-zero magnetic field

2. TestRipple1 files are created in App.
3. Reference file for the functional tests is created.