MAGETWO-62491: [PR] Delivery of stories (sprint 3)

app/code/Magento/Config/App/Config/Type/System.php

@@ -96,7 +96,9 @@ class System implements ConfigTypeInterface
             $data = $this->cache->load(self::CONFIG_TYPE);
             if (!$data) {
                 $data = $this->preProcessor->process($this->source->get());
+                $this->data = new DataObject($data);
                 $data = $this->fallback->process($data);
+                $this->data = new DataObject($data);
                 //Placeholder processing need system config - so we need to save intermediate result
                 $data = $this->postProcessor->process($data);
                 $this->data = new DataObject($data);

app/code/Magento/Config/Model/Config/Export/Comment.php

@@ -26,7 +26,6 @@ class Comment implements CommentInterface
     private $source;
 
     /**
-     * Comment constructor.
      * @param PlaceholderFactory $placeholderFactory
      * @param DumpConfigSourceInterface $source
      */