Extract CalcMac into PostProcessor/MacroscopicQuantities.

src/gpu/core/Calculation/CalcMean.cpp

src/gpu/core/Calculation/EnstrophyAnalyzer.cu

src/gpu/core/Calculation/ForceCalculations.cpp

src/gpu/core/Calculation/KineticEnergyAnalyzer.cu

src/gpu/core/Calculation/UpdateGrid27.cpp

src/gpu/core/GPU/GPU_Interface.h

src/gpu/core/GPU/GPU_Kernels.cuh

src/gpu/core/GPU/LBMKernel.cu

src/gpu/core/LBM/Simulation.cpp

src/gpu/core/PostProcessor/Calc2ndMoments27.cu

src/gpu/core/PostProcessor/CalcConc27.cu

src/gpu/core/PostProcessor/MacroscopicQuantities.cu

src/gpu/core/PostProcessor/MacroscopicQuantities.cuh

.../core/PreCollisionInteractor/Probes/PlanarAverageProbe.cu

src/gpu/core/PreProcessor/InitLattice.cpp