add new method:
hra_math.model.parameters.statistic_parameters.StatisticParameters.summary_statistics_is_selected(self)
which returns true if there is any summary statistics selected

add new method
hra_math.model.parameters.poincare_plot_parameters_manager.PoincarePlotParametersManager.__validateDependenceParameters__(self,
check_level=None)
used to check dependent parameters; at this time there is forbidden to
generate summary statistics when output directory is not specified