Plot text for a plot.
Arguments
- label
- text that you want to appear 
- mapping
- aesthetics that don't relate to position (such as color) 
- xP
- horizontal position percentage 
- yP
- vertical position percentage 
- xrange
- range of the data around it. Only nice to have if plotting in a matrix 
- yrange
- range of the data around it. Only nice to have if plotting in a matrix 
- ...
- other arguments for geom_text 
Examples
# Small function to display plots only if it's interactive
p_ <- GGally::print_if_interactive
p_(ggally_text("Example 1"))
 p_(ggally_text("Example\nTwo", mapping = ggplot2::aes(size = 15), color = I("red")))
p_(ggally_text("Example\nTwo", mapping = ggplot2::aes(size = 15), color = I("red")))
