Various fixes following Coverity analysis log

Core/Tools/inc/Bin.h

Core/Tools/src/FileSystem.cpp

Fit/FitKernel/src/FitSuitePrintObserver.cpp

GUI/coregui/Models/GUIObjectBuilder.cpp

GUI/coregui/Models/PythonScriptSampleBuilder.cpp

GUI/coregui/Models/PythonScriptSampleBuilder.h

GUI/coregui/Views/InfoWidgets/GroupBox.cpp

GUI/coregui/Views/JobView.cpp

GUI/coregui/Views/JobWidgets/ModelTuningDelegate.cpp

GUI/coregui/Views/MaskWidgets/MaskEditorPropertyPanel.cpp

GUI/coregui/Views/MaskWidgets/MaskResultsPresenter.cpp

GUI/coregui/Views/SampleDesigner/NodeEditor.cpp

...coregui/Views/SimulationWidgets/SimulationSetupWidget.cpp

GUI/coregui/mainwindow/projectdocument.cpp

GUI/externals/qt-manhattan-style/progressbar.cpp

ThirdParty/RootMinimizers/src/Math/GSLMinimizer1D.cxx