devtools 2.2.2

• install_dev_deps() now passes formal args onto remotes::install_deps()
  (@t-gibson, #2166)

• spell_check() now checks if spelling is installed and prompts users to
  install it if not (@mikemahoney218, #2172)

• submit_cran() now returns a more informative error when the CRAN submission
  portal is down (#1958)

• check() gains a vignettes argument, to more easily disable checks for
  vignettes (#2165).

• check_win_*() function now resets the email to the original email after
  execution (@muschellij2, #2152).

• check() now sets NOT_CRAN=true by default, as was originally intended (#2135).

• install_deps() now supports options("devtools.ellipsis_action") as well
  (#2169)

• test() now takes stop_on_failure as a formal argument (FALSE by default)
  instead of in .... Its value is still passed to testthat::test_dir as
  before (@infotroph, #2129).

• test() and test_coverage_file() gain a export_all argument, which
  controls if all functions in a package are automatically exported (#1201).

• dev_sitrep() now works if run outside a package directory (#2127).

• release() now works if the package root is not in the working directory.