Add lower level for boot-strapping to RungeKuttaExteriorRV - Add a lower level to RungeKuttaExteriorRV for which bootstrapping starts, e.g start bootstrapping from time level 3 using a 3rd order BDF - Clean up ResidualViscosity

function saveFigurePosition()
    defaultPosition = get(0,'defaultfigureposition');
    f = gcf;
    defaultPosition(1:2) = f.Position(1:2);
    set(0,'defaultfigureposition',defaultPosition);
end