Added trivial form factor (always returning 1.0)

Core/FormFactors/inc/FormFactorTrivial.h

Core/FormFactors/inc/FormFactors.h

Core/FormFactors/src/FormFactorTrivial.cpp

Core/PythonAPI/inc/FormFactorTrivial.pypp.h

Core/PythonAPI/inc/PythonCoreList.h

Core/PythonAPI/src/FormFactorTrivial.pypp.cpp

Core/PythonAPI/src/PythonModule.cpp

Core/Samples/inc/ISampleVisitor.h

Core/Samples/src/ISampleVisitor.cpp

Core/Tools/inc/SampleMaterialVisitor.h

Core/Tools/inc/SamplePrintVisitor.h

Core/Tools/src/SampleMaterialVisitor.cpp

Core/Tools/src/SamplePrintVisitor.cpp

cmake/modules/SearchInstalledSoftware.cmake

dev-tools/python-bindings/settings_core.py