GUI::Style shorten file and namespace name

GUI/Support/Util/DesignerHelper.cpp

GUI/Support/Util/QCP_Util.cpp

GUI/Support/Util/Style.cpp

GUI/Support/Util/Style.h

GUI/View/Import/RealDataSelectorWidget.cpp

GUI/View/Info/OverlayLabelWidget.cpp

GUI/View/Instrument/InstrumentLibraryEditor.cpp

GUI/View/MaterialEditor/MaterialEditorDialog.cpp

GUI/View/PlotComparison/HistogramPlot.cpp

GUI/View/PlotUtil/ColorMap.cpp

GUI/View/PlotUtil/PlotConstants.h

GUI/View/PlotUtil/RangeUtil.cpp

GUI/View/PlotUtil/StatusLabel.cpp

GUI/View/Toplevel/PythonScriptWidget.cpp