feat(popup): Removes src images when closed

sass/css/_base.scss

@@ -207,4 +207,8 @@ ul:not(.navbar-nav) li {
 
 .modal-lg {
   max-width: 90%;
+}
+
+[data-popup] {
+  cursor: pointer;
 }

templates/_base.html

@@ -169,6 +169,10 @@
 
     <script>
       $(function () {
+        $('#modalEnlarged').on('hidden.bs.modal', function (e) {
+          $('#enlarged').attr('src', '');
+        });
+
         $('[data-popup]').click(function (evt) {
           var _self = $(this);
           var _img_enlarged = _self.data('nsrc');