Add font-awesome to bower.json

Can it be that this is missing? `font-awesome` has been added in
http://git.io/OfP11, but it seems the dependency wasn't added to
the `bower.json` file.
Add note about how to patch the `foundation.js` file
Merge pull request #7 from pangratz/add/font-awesome

Add font-awesome to bower.json
Merge pull request #8 from pangratz/add/note_for_foundation_patch

Add note about how to patch the `foundation.js` file