Add .bowerrc file to point to components directory
Add bower.json with all dependencies
platform.js -> webcomponents.js
Update your checked-in components to latest
Correct rotational icons to latest core-icons
Add drive icon and extras-icons element
Update: <core-drawer-panel> API changed
Restore clientId placeholder to non-Google test ID.
Merge pull request #13 from addyosmani/master

Update to reflect changes in Polymer, core-* & paper-& elements