message: Updated CHANGELOG for 0.21.9 release
diff: @@ -7,9 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
  ## Unreleased
  -## [0.21.1](https://github.com/PolymerLabs/polyserve/tree/v0.21.1) (2017-09-15)
  +## [0.21.9](https://github.com/PolymerLabs/polyserve/tree/v0.21.9) (2017-09-15)
  * Fix issue where requirejs is installed somewhere other than in polyserve's own node_modules subfolder.
  +* Fix issue with `.npmignore` file and npm pack logic change in recent npm release.
  ## [0.21.0](https://github.com/PolymerLabs/polyserve/tree/v0.21.0) (2017-09-13)
  