Create metadata.html

Create a metadata.html file so this works more seamlessly with the polymer designer
Fix FontAwesome

Fix fontawesome font loading bug in Polymer Designer

http://robdodson.me/blog/2013/11/19/at-font-face-doesnt-work-in-shadow-dom/
Merge pull request #1 from CoinSphere/master

Merging fix to FontAwesome not working in shadow DOM and adding metadata.html