rename GUI/View/Tool/mainwindow_constants.h -> GUI/View/Layout/

GUI/View/Data/DataView.cpp

GUI/View/Fit/FitActivityPanel.cpp

GUI/View/Fit/FitSessionWidget.cpp

GUI/View/FitControl/RunFitControlWidget.cpp

GUI/View/FitMessage/JobMessagePanel.cpp

GUI/View/Instrument/InstrumentLibraryDialog.cpp

GUI/View/JobControl/JobPropertiesWidget.cpp

GUI/View/JobControl/JobSelector.cpp

GUI/View/Layout/mainwindow_constants.h

GUI/View/Main/ActionManager.cpp

GUI/View/Main/MainWindow.cpp

GUI/View/Manager/ProjectManager.cpp

GUI/View/Sample/SampleView.cpp

GUI/View/Setup/MaskToolbar.cpp

GUI/View/Setup/ProjectionToolbar.cpp

GUI/View/Tuning/JobRealTimeWidget.cpp

GUI/View/Tuning/ParameterTuningWidget.cpp