Merge branch 'fixes_4.5' into '4.5'

matlab/annualized_shock_decomposition.m

matlab/expand_group.m

matlab/graph_decomp.m

matlab/graph_decomp_detail.m

matlab/gsa/map_calibration.m

matlab/plot_shock_decomposition.m

matlab/posterior_sampler_initialization.m

matlab/set_default_option.m

matlab/utilities/dataset/quarterly2annual.m

tests/gsa/ls2003a.mod