Importing font-awesome in styles causes issues

```
{ Error: Cannot find module 'font-awesome/fonts/fontawesome-webfont.eot?v=4.7.0'
at Function.Module._resolveFilename (module.js:470:15)
at Function.Module._load (module.js:418:25)
at require (internal/module.js:20:19)
at Object.font-awesome/fonts/fontawesome-webfont.eot?v=4.7.0 (isomorphic-webpack:9398:18)
at __webpack_require__ (isomorphic-webpack:20:30)
at Object.../node_modules/css-loader/index.js?{"sourceMap":true}!../node_modules/sass-loader/lib/loader.js?{"sourceMap":true}!./frontend/styles.scss (isomorphic-webpack:81:171737)
at __webpack_require__ (isomorphic-webpack:20:30)
at Object../frontend/styles.scss (isomorphic-webpack:9081:15)
at __webpack_require__ (isomorphic-webpack:20:30)
at Object../frontend/index.js (isomorphic-webpack:8996:1)
at __webpack_require__ (isomorphic-webpack:20:30)

```

from:

```
@import '~font-awesome/scss/font-awesome';
```