message: Update CHANGELOG wrt node 4 support.
diff: @@ -23,6 +23,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
  `Promise<Analyzer>` due to new safety features in `polymer-analyzer`.
  - BREAKING: inlinining functions in `import-utils` require an explicit
  `analyzer` argument.
  +- BREAKING: Dropped support for node 4 in latest `polymer-analyzer`:
  + https://www.polymer-project.org/2.0/docs/tools/node-support
  ## 2.0.0-pre.11 - 2017-03-20
  - Bump dependency on analyzer
  