ENH EelFigure:  ADD `frame` and `taxis` arguments
FIX plot.Boxplot:  test=False
STY plot-uv:  _plt_barplot
FIX plot-uv:  _mark_plot_1samp font size
FIX plot-uv:  adjust pairwise connectors’ location based on `top`
FIX EelFigure:  default `tight=True`