Fix initialization for i18n setting locale

app/routes/application.js

@@ -1,9 +1,15 @@
 import Ember from 'ember';
 
 export default Ember.Route.extend({
+  i18n: Ember.inject.service(),
   model: function() {
       return this.store;
   },
+  afterModel: function(user) {
+    var i18nLocales = this.get('i18n.locales');
+    var locale = (window.navigator.language || window.navigator.browserLanguage).split('-')[0];
+    this.set('i18n.locale', locale);
+  },
   actions: {
     closeModal: function() {
       return this.disconnectOutlet({