dissolve GUI/Application (mv -> GUI/Support/Style)

App/main.cpp

GUI/Model/Model/RealTreeModel.cpp

GUI/Support/Style/ApplicationSettings.cpp

GUI/Support/Style/ApplicationSettings.h

GUI/Support/Style/GroupBoxCollapser.cpp

GUI/Support/Style/GroupBoxCollapser.h

GUI/View/Device/AxisPropertyForm.cpp

GUI/View/Device/BackgroundForm.cpp

GUI/View/Device/DetectorForm.cpp

GUI/View/Device/FootprintForm.cpp

GUI/View/Device/ResolutionForm.cpp

GUI/View/Import/RealDataSelectorWidget.cpp

GUI/View/Instrument/AlphaScanEditor.cpp

GUI/View/Instrument/DetectorEditor.cpp

GUI/View/Instrument/DistributionEditor.cpp

GUI/View/Instrument/GISASBeamEditor.cpp

GUI/View/Instrument/InstrumentLibraryEditor.cpp

GUI/View/Instrument/InstrumentView.cpp

GUI/View/Instrument/InstrumentsTreeModel.cpp

GUI/View/Instrument/OffspecDetectorEditor.cpp