Split off Core/Correlations from Core/Aggregate (regen)

Core/Aggregate/InterferenceFunction1DLattice.cpp

Core/Aggregate/InterferenceFunction2DLattice.h

Core/Aggregate/InterferenceFunction2DParaCrystal.h

Core/Aggregate/InterferenceFunction3DLattice.cpp

Core/Aggregate/InterferenceFunctionRadialParaCrystal.h

Core/Aggregate/ParticleLayout.h

Core/Computation/ProcessedLayout.cpp

Core/Correlations/FTDecay1D.cpp

Core/Correlations/FTDecay1D.h

Core/Correlations/FTDecay2D.cpp

Core/Correlations/FTDecay2D.h

Core/Correlations/FTDistributions1D.cpp

Core/Correlations/FTDistributions1D.h

Core/Correlations/FTDistributions2D.cpp

Core/Correlations/FTDistributions2D.h

Core/Correlations/IDistribution1DSampler.cpp

Core/Correlations/IDistribution1DSampler.h

Core/Correlations/IDistribution2DSampler.cpp

Core/Correlations/IDistribution2DSampler.h

Core/Correlations/ILayout.cpp