Switch to side-by-side view

--- a/src/qtgui/rclmain.ui
+++ b/src/qtgui/rclmain.ui
@@ -89,6 +89,8 @@
         <action name="toolsSpellAction"/>
     </item>
     <item text="&amp;Preferences" name="preferencesMenu">
+        <action name="indexConfigAction"/>
+	<separator/>
         <action name="queryPrefsAction"/>
         <action name="extIdxAction"/>
 	<separator/>
@@ -290,6 +292,14 @@
     </action>
     <action>
         <property name="name">
+            <cstring>indexConfigAction</cstring>
+        </property>
+        <property name="menuText">
+            <string>&amp;Indexing configuration</string>
+        </property>
+    </action>
+    <action>
+        <property name="name">
             <cstring>queryPrefsAction</cstring>
         </property>
         <property name="menuText">