Web/Menu: move "About" to config section

This is IMO never worth a main menu entry, at least not in it's current
implementation and look-a-like.

library/Icinga/Web/Menu.php

@@ -264,6 +264,10 @@ class Menu implements RecursiveIterator
                 'permission'    => 'config/modules',
                 'priority'      => 890
             ));
+            $section->add(t('About'), array(
+                'url'       => 'about',
+                'priority'  => 895
+            ));
 
             $section = $this->add($auth->getUser()->getUsername(), array(
                 'icon'     => 'user',
@@ -279,11 +283,6 @@ class Menu implements RecursiveIterator
                 'priority' => 990,
                 'renderer' => 'ForeignMenuItemRenderer'
             ));
-
-            $this->add(t('About'), array(
-                'url'       => 'about',
-                'priority'  => 1000
-            ));
         }
     }