Note removal

[aridf]

Thanks for opening a PR!

• Have you followed the guidelines in our Contributing Guide?
• Ensured you are not committing large data files or other sensitive information (e.g. voter files)

Please list any Issues this PR addresses

None

In 2-3 sentences or a brief list, describe changes implemented in this PR

This tries to deal with the remaining notes in the package

• Add leaflet namespace to map_interactive.R
• Remove plyr from imported libraries in geocoding.Rmd
• Reduce package size
• Remove / add comment about time note
• Add and finalize cran-comments.md