Merge branch 'unittest' into develop

App/src/StandardSamples.cpp

App/src/TestFormFactors.cpp

App/src/TestIsGISAXS14.cpp

App/src/fp_exception_glibc_extension.c

Core/Algorithms/src/OpticalFresnel.cpp

Core/Core.pro

Core/FormFactors/inc/FormFactorSphere.h

Core/FormFactors/src/FormFactorFullSpheroid.cpp

Core/FormFactors/src/FormFactorSphere.cpp

Core/Geometry/inc/BasicVector3D.h

Core/Geometry/inc/Normal3D.h

Core/Geometry/inc/Point3D.h

Core/Geometry/inc/Vector3D.h

Core/Geometry/src/BasicVector3D.cpp

Core/Geometry/src/Normal3D.cpp

Core/Geometry/src/Point3D.cpp

Core/Geometry/src/Vector3D.cpp

Core/Tools/inc/MathFunctions.h

Core/Tools/inc/MemberComplexFunctionIntegrator.h

Core/Tools/inc/MemberFunctionIntegrator.h