Add crpkm sample dataset
Add tests for cRPKM
Update documentation

Merge branch 'master' into crpkm

Conflicts:
	tests/testthat/test_preprocess_sample_colors.R
Initial import of plot_expr and draw_group_means
Add support for plotting cRPKM
Updates to plot_event

- Remove xlim option
- Use draw_group_means()
- Increase lwd of grid lines
Remove config argument in draw_group_means
Adjust gridlines
Adjust x-axis spacing
Adjust horizontal gridlines again
Merge branch 'crpkm'
Add crpkm.Rd
Update psi.Rd
Increment version