R: Add Marginal Histograms to 'ggplot2', and More 'ggplot2' Enhancements

# Add Marginal Histograms to 'ggplot2', and More 'ggplot2' Enhancements

## Documentation for package ‘ggExtra’ version 0.11.0

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

ggMarginal | Add marginal density/histogram to ggplot2 scatterplots
ggMarginalGadget | ggMarginal gadget
plotCount | Plot count data with ggplot2
removeGrid | Remove grid lines from ggplot2
removeGridX | Remove grid lines from ggplot2
removeGridY | Remove grid lines from ggplot2
rotateTextX | Rotate x axis labels
runExample | Run ggExtra example [DEPRECATED]