Merge branch 'develop' into get_sample_normalized

Core/Legacy/MatrixRTCoefficients_v1.cpp

Core/Legacy/MatrixRTCoefficients_v1.h

Core/Legacy/MatrixRTCoefficients_v2.cpp

Core/Legacy/MatrixRTCoefficients_v2.h

Core/Legacy/SpecularMagneticStrategy_v1.cpp

Core/Legacy/SpecularMagneticStrategy_v1.h

Core/Legacy/SpecularMagneticStrategy_v2.cpp

Core/Legacy/SpecularMagneticStrategy_v2.h

Sample/Fresnel/MatrixFresnelMap.cpp

Sample/Fresnel/MatrixFresnelMap.h

Sample/RT/MatrixRTCoefficients.cpp

Sample/RT/MatrixRTCoefficients.h

Sample/RT/MatrixRTCoefficients_v3.cpp

Sample/RT/MatrixRTCoefficients_v3.h

Sample/Specular/SpecularMagneticNCStrategy.cpp

Sample/Specular/SpecularMagneticNCStrategy.h

Sample/Specular/SpecularMagneticNewStrategy.cpp

Sample/Specular/SpecularMagneticStrategy.cpp

Sample/Specular/SpecularMagneticStrategy.h

Sample/Specular/SpecularMagneticTanhStrategy.cpp