Switch to side-by-side view

--- a/website/BUGS.html
+++ b/website/BUGS.html
@@ -50,6 +50,10 @@
           unsatisfying workaround, is to avoid the situation, for example
           by using the standalone recollindex program instead of the GUI
           indexing thread.</li>
+
+        <li>When an open error occurs on an external index while
+          starting the GUI, the initial indexing dialog is started,
+          which is incorrect because it cannot fix the problem.</li>
 
         <li>The operations on the parent document in the result list
 	  right click menu (Preview and Open), do not work, they