message: Prepare 0.18.0-pre.11
diff: # Changelog
  -## Upcoming
  +<!--## Upcoming-->
  +
  +## v0.18.0-pre.11 [03-07-2017]
  - Add PSK 3.0 (Polymer 2.0 Polymer Starter Kit) template to the init command.
  - Automatically include un-optimized `webcomponentsjs` polyfills in builds.
  +- Update Polymer Analyzer, Polymer Bundler and Polymer Linter dependencies
  + - Bundles now include optimizations specified in builds.
  + - Much more detailed output of `analyze` command.
  ## v0.18.0-pre.10 [02-21-2017]
  