Refactoring: Removed references to 'nano' in case of particles, decorators, etc.

App/src/DrawHelper.cpp

App/src/StandardSamples.cpp

App/src/TestIsGISAXS10.cpp

Core/Algorithms/inc/DiffuseDWBASimulation.h

Core/Algorithms/src/DiffuseDWBASimulation.cpp

Core/Algorithms/src/LayerDecoratorDWBASimulation.cpp

Core/Samples/inc/Crystal.h

Core/Samples/inc/CrystalFormFactor.h

Core/Samples/inc/DiffuseParticleInfo.h

Core/Samples/inc/IClusteredParticles.h

Core/Samples/inc/LatticeBasis.h

Core/Samples/inc/MesoCrystal.h

Core/Samples/inc/MultiLayer.h

Core/Samples/inc/ParticleBuilder.h

Core/Samples/inc/ParticleDecoration.h

Core/Samples/inc/ParticleInfo.h

Core/Samples/src/Crystal.cpp

Core/Samples/src/CrystalFormFactor.cpp

Core/Samples/src/LayerDecorator.cpp

Core/Samples/src/MesoCrystal.cpp