add a map-by-sazie option to map_phylogeo
pencil out kmeans
basic idea of kmeans clustering plot
remove antartica from default worldmaps
comment about antarctica
antartica
point_size changes and  basic kmenas cluster plot
explicit return
typo
make map_tree default to tree on left and add sacle_y_continuous_ to make ggplot crop the margins
Minimal working example!

use arrangeGrob instead of grid.arrange to pass plots instead of putting them on a screen

and use do.call to pass a list to arrangeGrob
cleanup and rearrange function
Merge branch 'kmeansplotting'