rename Multilayer --> Sample

GUI/Model/FromCore/GUIExamplesFactory.cpp

GUI/Model/FromCore/ItemizeSample.cpp

GUI/Model/FromCore/ItemizeSample.h

GUI/Model/Sample/SampleValidator.cpp

GUI/Model/Sim/InstrumentItems.cpp

GUI/Model/Sim/InstrumentItems.h

GUI/Model/ToCore/SampleToCore.cpp

GUI/Model/ToCore/SampleToCore.h

GUI/Model/ToCore/SimulationToCore.cpp

GUI/View/IO/PythonImport.cpp

GUI/View/IO/PythonImport.h

GUI/View/Realspace/RealspaceBuilder.cpp

GUI/View/Sample/ScriptPanel.cpp

GUI/View/View/SampleView.cpp

PyCore/Sample/ImportSample.cpp

PyCore/Sample/ImportSample.h

Resample/Processed/ReSample.cpp

Resample/Processed/ReSample.h

Resample/Swig/MultiLayerFuncs.cpp

Resample/Swig/MultiLayerFuncs.h