CRAN release version 2.0.0

Documentation

[x] Vignettes have been updated by opening the vignettes/precompile.R file and running the script
[x] Documentation has been built with roxygen2md::roxygen2md()
[x] _pkgdown.yml has been updated with any new/updated changes
[x] pkgdown site has been built locally with pkgdown::build_site() and all the pages are rendering as expected
[x] NEWS.md has been updated with all the changes since the last release, including links to issue numbers
[x] Version number has been increased in the DESCRIPTION in semantic versioning style

[ ] Delete all files from the tests/fixtures/ folder (except any international atlas fixtures not working because an API system is down)
[x] Delete all files from the tests/testhat/_snaps/ folder (these need to be deleted each time before running devtools::test())
[x] Restart R (Ctrl/Cmd + Shift + F10)
[x] All automated tests are passing locally with devtools::test() (including slow skipped tests)
[x] All functional tests documented here have been performed, ideally by someone other than the developer
[x] Code has been merged into the master branch and pushed to Git (including re-generated fixtures)
[x] Tests are passing on the master branch on travis

[x] R CMD build galah and R CMD check --as-cran --no-manual galah_{version}.tar.gz run with no issues
[x] Package checked using rhub::check_for_cran()
[x] rhub results (emailed to maintainer) have no errors or warnings
[x] Package zipfile has been submitted to winbuilder
[x] winbuilder results (emailed to maintainer) have no errors or warnings

[ ] Change request submitted to CAB in JIRA
[ ] Change request approved by CAB
[ ] After change request approval, update the CAB submission with an expected deployment date

[x] Upload package to CRAN here: https://cran.r-project.org/submit.html
[x] Click on link in email from CRAN and confirm submission
[x] Fix any errors from CRAN and repeat all steps :(
[x] After the package is accepted on CRAN, update CAB submission with actual depolyment date (this will complete the CAB request process and close the request)
[x] Celebrate!