Switch to side-by-side view

--- a/src/qtgui/rclmain.ui
+++ b/src/qtgui/rclmain.ui
@@ -77,6 +77,8 @@
     </property>
     <item text="&amp;File" name="fileMenu">
         <action name="fileStart_IndexingAction"/>
+        <separator/>
+        <action name="fileEraseDocHistoryAction"/>
         <separator/>
         <action name="fileExitAction"/>
     </item>
@@ -176,6 +178,14 @@
     </action>
     <action>
         <property name="name">
+            <cstring>fileEraseDocHistoryAction</cstring>
+        </property>
+        <property name="menuText">
+            <string>&amp;Erase document history</string>
+        </property>
+    </action>
+    <action>
+        <property name="name">
             <cstring>helpAbout_RecollAction</cstring>
         </property>
         <property name="menuText">