theme_coursekata: A simple theme built on top of ggplot2::theme_bw
Description
The coursekata package automatically loads this theme when the package is loaded. This is in
addition to a number of other plot tweaks and option settings. To just restore the theme to the
default, you can run set_theme(theme_grey). If you want to restore all plot related settings
and/or prevent them when loading the package, see coursekata_unload_theme.