Ggprism Versions Save

• Fix one of the figures in p-values vignette
• Replace some annotation_ticks() tests to ensure compatibility with the upcoming ggplot2 v3.4.0

• Make add_pvalue() more flexible to different input columns
• Fix errors in p-values vignette so it works again
• Increase test coverage
• Re-write some tests so they pass for R 3.6.3
• Update README (fix some incorrect links and update citation info)

• First CRAN submission
• Remove separate LICENSE file
• Reword package description in DESCRIPTION.
• Fix various typos in vignettes and function documentation.
• Move the two example vignettes to be online only, i.e. not included in the installed package.

Initial GitHub release. Provide functions for changing ggplot2 themes, axis guides, colours, and fills, and adding p-value brackets. Also include small data set with fly wing data.