Include guards now made of full path

Core/Aggregate/FTDecayFunctions.h

Core/Aggregate/FTDistributions1D.h

Core/Aggregate/FTDistributions2D.h

Core/Aggregate/FormFactorCoherentPart.h

Core/Aggregate/FormFactorCoherentSum.h

Core/Aggregate/IDistribution1DSampler.h

Core/Aggregate/IDistribution2DSampler.h

Core/Aggregate/IInterferenceFunction.h

Core/Aggregate/ILayout.h

Core/Aggregate/IPeakShape.h

Core/Aggregate/InterferenceFunction1DLattice.h

Core/Aggregate/InterferenceFunction2DLattice.h

Core/Aggregate/InterferenceFunction2DParaCrystal.h

Core/Aggregate/InterferenceFunction2DSuperLattice.h

Core/Aggregate/InterferenceFunction3DLattice.h

Core/Aggregate/InterferenceFunctionFinite2DLattice.h

Core/Aggregate/InterferenceFunctionFinite3DLattice.h

Core/Aggregate/InterferenceFunctionHardDisk.h

Core/Aggregate/InterferenceFunctionNone.h

Core/Aggregate/InterferenceFunctionRadialParaCrystal.h