from within the RStudio terminal, run>> R CMD check --as-cran xgxr_#.#.#.tar.gz
(this tar.gz was built from the devtools::build() command)
doing this from within RStudio makes sure that the right version of R is used (we think)
If there are any warnings or notes, open the document where they are saved and resolve them.
Check the package into Github. Wait a few minutes and check that the build is "passing" under Travis CI.
Send the package to CRAN. There are two options
devtools::release() - this will run a lot of checks that are helpful, but doesn't work with Novartis firewall. It sometimes works on the GuestWireless network