message: Updated CHANGELOG to describe polymer-bundler upgrade.
diff: @@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
  The format is based on [Keep a Changelog](http://keepachangelog.com/)
  and this project adheres to [Semantic Versioning](http://semver.org/).
  +## Unreleased
  +
  +* Dependency updates. Upgraded to new `polymer-bundler`. Most important update is a fix to bug whereby `lazy-import` links were being moved out of their `<dom-module>` containers.
  +
  ## [1.2.0] - 2017-05-02
  * Dependency updates. Upgraded to new `polymer-bundler`, `polymer-analyzer` and `dom5` versions.
  