Added fontawesome manually instead of including it in app.css

See: https://github.com/JeffreyWay/laravel-mix/issues/1026

resources/sass/app.scss

@@ -6,6 +6,3 @@
 
 // Bootstrap
 @import '~bootstrap/scss/bootstrap';
-
-// Font awesome
-@import "node_modules/font-awesome/scss/font-awesome.scss";

resources/views/layouts/app.blade.php

@@ -15,6 +15,7 @@
     <!-- Fonts -->
     <link rel="dns-prefetch" href="//fonts.gstatic.com">
     <link href="https://fonts.googleapis.com/css?family=Nunito" rel="stylesheet">
+    <link href="{{ mix('css/font-awesome.min.css') }}" rel="stylesheet" />
 
     <!-- Styles -->
     <link href="{{ asset('css/app.css') }}" rel="stylesheet">

webpack.mix.js

@@ -13,6 +13,11 @@ const mix = require('laravel-mix');
 
 mix.js('resources/js/app.js', 'public/js')
     .sass('resources/sass/app.scss', 'public/css')
+    // Adding font-awesome to app.css will only work, if the root-path is /
+    // which isn't the case on our servers.
+    // See: https://github.com/JeffreyWay/laravel-mix/issues/1026
+    .copy('node_modules/font-awesome/css/font-awesome.min.css', 'public/css')
+    .copy('node_modules/font-awesome/fonts/*', 'public/fonts')
 
 // Include project specific files, if they exists.
 try { require('resources/experiment/webpack.mix.js') }