message: Updated CHANGELOG for 2.0 release of polymer-build.
diff: @@ -6,9 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
  and this project adheres to [Semantic Versioning](http://semver.org/).
  ## Unreleased
  -* [Breaking] Upgraded `polymer-bundler` to 3.x, which includes new default behavior around the `rewriteUrlsInTemplates` option in support of Polymer 2.x defaults. Polymer 1.x project developers should set the option `rewriteUrlsInTemplates: true`. See [using polymer-bundler programmatically](https://github.com/polymer/polymer-bundler#using-polymer-bundler-programmatically) for more information.
  <!-- Add new, unreleased changes here. -->
  +## [2.0.0] - 2017-07-18
  +* [Breaking] Upgraded `polymer-bundler` to 3.x, which includes new default behavior around the `rewriteUrlsInTemplates` option in support of Polymer 2.x defaults. Polymer 1.x project developers should set the option `rewriteUrlsInTemplates: true`. See [using polymer-bundler programmatically](https://github.com/polymer/polymer-bundler#using-polymer-bundler-programmatically) for more information.
  +
  ## [1.6.0] - 2017-06-29
  * Automatically recognize any lazy-imports encountered as fragments when generating push-manifest.
  * The `addPushManifest` feature now honors the laziness of html-imports and excludes them from the set of their importers' pushed assets.
  