Merge pull request #369 from DmitryYurov/develop

Core/Basics/BornAgainNamespace.h

Core/Beam/Beam.cpp

Core/Beam/Beam.h

Core/Beam/FootprintFactorGaussian.cpp

Core/Beam/FootprintFactorGaussian.h

Core/Beam/FootprintFactorSquare.cpp

Core/Beam/FootprintFactorSquare.h

Core/Beam/IFootprintFactor.cpp

Core/Beam/IFootprintFactor.h

Core/Instrument/GaussianBeamFormFactor.cpp

Core/Instrument/IBeamFormFactor.cpp

Core/Instrument/SquareBeamFormFactor.cpp

Core/Multilayer/MultiLayer.cpp

Core/Multilayer/MultiLayer.h

Core/Parametrization/INodeVisitor.h

Core/Simulation/SpecularSimulation.cpp

Core/Simulation/SpecularSimulation.h

Core/StandardSamples/SimulationFactory.cpp

Core/StandardSamples/StandardSimulations.cpp

Core/StandardSamples/StandardSimulations.h