posterior_moments.m: do not request density if output is not used

matlab/+gsa/map_calibration.m

matlab/+gsa/reduced_form_mapping.m

matlab/+identification/plot.m

matlab/+occbin/forecast.m

matlab/estimation/GetPosteriorParametersStatistics.m

matlab/estimation/PosteriorIRF.m

matlab/estimation/pm3.m

matlab/estimation/posterior_moments.m

matlab/estimation/variance_decomposition_ME_mc_analysis.m

matlab/estimation/variance_decomposition_mc_analysis.m

...ments/conditional_variance_decomposition_ME_mc_analysis.m

.../moments/conditional_variance_decomposition_mc_analysis.m

matlab/moments/correlation_mc_analysis.m

matlab/moments/covariance_mc_analysis.m