ggmosaic 0.3.3

A geom, geom_mosaic_jitter(), and an associated stat, stat_mosaic_jitter(), has been added.
A geom, geom_mosaic_text(), and an associated stat, stat_mosaic_text(), has been added.
geom_mosaic_text() now supports using labels and ggrepel (@gregeleu, #50).
A theme for mosaic plots, theme_mosaic(), has been added.

ggmosaic 0.3.0