Merge branch 'trymore' into trythings

BornAgain.pro

Core/Algorithms/inc/DecouplingApproximationStrategy.h

Core/Algorithms/src/DecouplingApproximationStrategy.cpp

Core/Algorithms/src/OpticalFresnel.cpp

Core/Core.pro

Core/FormFactors/inc/FormFactorDecoratorDebyeWaller.h

Core/FormFactors/inc/IFormFactorBorn.h

Core/Samples/inc/ISelectionRule.h

Core/Samples/inc/Lattice.h

Core/Samples/src/InterferenceFunction2DParaCrystal.cpp

Core/Samples/src/Lattice.cpp

Core/Tools/inc/Coordinate3D.h

Core/Tools/inc/Numeric.h