Moves rendering queue logic from PDFView

web/viewer.html

@@ -68,6 +68,7 @@ http://sourceforge.net/adobe/cmap/wiki/License/
     <script src="preferences.js"></script>
     <script src="download_manager.js"></script>
     <script src="view_history.js"></script>
+    <script src="pdf_rendering_queue.js"></script>
     <script src="page_view.js"></script>
     <script src="pdf_viewer.js"></script>
     <script src="thumbnail_view.js"></script>