Checkstyles and warning reduction for VuDL.

module/VuDL/src/VuDL/Connection/Solr.php

@@ -198,7 +198,8 @@ class Solr extends AbstractBase
             )
         )) {
             $record = json_decode($response);
-            return $record->response->docs[0]->$modfield;
+            $date = $record->response->docs[0]->$modfield;
+            return $date[0];
         }
         return null;
     }

module/VuDL/src/VuDL/OutlineGenerator.php

- <?php
+<?php
 /**
  * VuDL outline generator
  *