moment.js: Set language on initialization

closes #544 (Translation error german / english mix)

resources/assets/js/moment-countdown.js

@@ -5,6 +5,8 @@
  */
 $(document).ready(function () {
     if (typeof moment !== 'undefined') {
+        moment.locale($('html').attr('lang'));
+
         $.each($('.moment-countdown'), function (i, e) {
             var span = $(e);
             var text = span.html();

resources/assets/js/vendor.js

@@ -9,10 +9,6 @@ require('./forms');
 require('./sticky-headers');
 require('./moment-countdown');
 
-$(function () {
-    moment.locale($('html').attr('lang'));
-});
-
 $.ajaxSetup({
     headers: {'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')}
 });