Merge pull request #949 from jwuttke/ff5

Core/Basics/BornAgainNamespace.h

Core/HardParticle/FormFactorLongBox.cpp

Core/HardParticle/FormFactorLongBox.h

Core/HardParticle/FormFactorLongRipple1Lorentz.cpp

Core/HardParticle/FormFactorLongRipple1Lorentz.h

Core/HardParticle/FormFactorRipple1.cpp

Core/HardParticle/FormFactorRipple1.h

Core/HardParticle/ProfileRipple1.cpp

Core/HardParticle/ProfileRipple1.h

Core/HardParticle/Ripples.cpp

Core/HardParticle/Ripples.h

Core/Parametrization/INodeVisitor.h

Core/StandardSamples/RipplesBuilder.cpp

Core/StandardSamples/SampleComponents.cpp

Core/includeIncludes/HardParticles.h

Doc/FFCatalog/FFCatalog.pdf

Doc/FFCatalog/FormFactors.tex

Doc/dev-notes/modify-formfactor.md

...simulation/ex01_BasicParticles/AllFormFactorsAvailable.py

.../ex03_InterferenceFunctions/CosineRipplesAtRectLattice.py