cran-comments.md

I got an email from Kurt Hornik about README images not being in the correct place. I moved them to the tools folder, so it should be fine now.

Test environments

• local Windows 7 install, R 3.5.0
• Travis Ubuntu 14.04.5 LTS, R 3.5.0
• win-builder

R CMD check results

There were no ERRORs, WARNINGs or NOTEs.

Downstream dependencies

There are currently no downstream dependencies for this package.