Remove unnecessary config.

Tagging example files for build docs.

Merge pull request Polymer#193 from Polymer/3.0

3.0

Merge pull request Polymer#130 from Polymer/gesture

use Polymer.Gestures.add for polymer gesture events

Update bower.json

Update bower.json

update bower version

Merge pull request #13 from Polymer/checkbox

Replace switch with checkbox

Merge pull request #6 from Polymer/ui-polish

Add focus state for shop-button