1.7.2
(1). Normalized the S in dotHeatmap globally instead of only in split heatmap.
(2). Align the xlabel and ylabel to the center of ax_heatmap, instead of ax.
(1). Normalized the S in dotHeatmap globally instead of only in split heatmap.
(2). Align the xlabel and ylabel to the center of ax_heatmap, instead of ax.