prefer Units::nm and deg over long form

Core/Simulation/StandardSimulations.cpp

Examples/cpp/CylindersAndPrisms/CylindersAndPrisms.cpp

GUI/coregui/Models/BeamAngleItems.cpp

GUI/coregui/Models/DepthProbeInstrumentItem.cpp

GUI/coregui/Models/DomainObjectBuilder.cpp

GUI/coregui/Models/DomainSimulationBuilder.cpp

GUI/coregui/Models/FormFactorItems.cpp

GUI/coregui/Models/InterferenceFunctionItems.cpp

GUI/coregui/Models/ParticleDistributionItem.cpp

GUI/coregui/Models/SpecularBeamInclinationItem.cpp

GUI/coregui/Models/SphericalDetectorItem.cpp

GUI/coregui/Models/TransformFromDomain.cpp

Sample/StandardSamples/BoxCompositionBuilder.cpp

Sample/StandardSamples/BoxesSquareLatticeBuilder.cpp

Sample/StandardSamples/CoreShellParticleBuilder.cpp

Sample/StandardSamples/CustomMorphologyBuilder.cpp

Sample/StandardSamples/CylindersBuilder.cpp

Sample/StandardSamples/FeNiBilayerBuilder.cpp

Sample/StandardSamples/LatticeBuilder.cpp

Sample/StandardSamples/LayersWithAbsorptionBuilder.cpp