Added newline_to_br to manage_tabs_message insertion to allow newlines without...

Added newline_to_br to manage_tabs_message insertion to allow newlines without passing html over the request, which no longer works due to tainting

lib/python/App/dtml/manage_tabs.dtml

@@ -168,7 +168,7 @@
 
 <dtml-if manage_tabs_message>
 <div class="system-msg">
-<dtml-var manage_tabs_message> 
+<dtml-var manage_tabs_message newline_to_br> 
 (<dtml-var ZopeTime fmt="%Y-%m-%d %H:%M">)
 </div>
 </dtml-if>