Merge pull request rstudio#1127 from rstudio/v0.8.0-rc

Release gt v0.8.0

Merge pull request rstudio#1023 from rstudio/v0.7.0-rc

v0.7.0 Release Candidate

Merge pull request rstudio#950 from rstudio/v0.6.0-rc

v0.6.0 Release Candidate

v0.5.0 Release Candidate (rstudio#931)

* Increment version number to 0.5.0

* Update NEWS.md

v0.4.0 Release Candidate (rstudio#896)

* Increment version number to 0.4.0

* Update NEWS.md

* Update DESCRIPTION

* Use `skip_on_cran()` for tests w/ snapshots

* Update .Rbuildignore

* Remove unneeded `inst/extdata` files

* Update test-data_color.R

* Update .Rbuildignore

* Omit test file from building

v0.3.1 Release Candidate (rstudio#821)

* Increment version number

* Update NEWS.md

* Update .Rbuildignore

* Run examples only interactively

* Update .Rbuildignore

* Modify README

Merge pull request rstudio#761 from rstudio/v0.3.0-rc

v0.3.0 Release Candidate

v0.2.2 Release Candidate (rstudio#629)

* Update version number

* Delete external.css

* Update gt_styles_default.scss

* Update test-util_functions.R

* Update NEWS.md

* Update gt_styles_default.scss

* Update test-util_functions.R

Release gt 0.2.1 (rstudio#588)

* Update DESCRIPTION and NEWS.md

* Update NEWS.md

* Merge branch 'master' into v0.2.1-rc

* master:
  Ensure that row ordering doesn't affect summary row calculations (rstudio#556)

* Update NEWS.md

* Update DESCRIPTION

Lower minimum version requirement for sass pkg

CRAN only has sass built to 0.1.2.1 for r-devel-windows-ix86+x86_64 so the pretest for that platform failed, requiring another submission.