downgrade_rttf2pt1()
Downgrade Rttf2pt1 to 1.3.8
set_fonts()
Set Fonts
set_theme() scale_colour_discrete() scale_fill_discrete() scale_colour_continuous() scale_fill_continuous()
set_theme()
scale_colour_discrete()
scale_fill_discrete()
scale_colour_continuous()
scale_fill_continuous()
Set text2map's default plot theme and colors