Updated to use Five 1.3b2, and merged efge-five-events-work:

Fixed bug that broke WebDAV access for five:defaultViewable objects. The
__browser_default__ now modifies only GET and POST requests.

Fixed some event recursion compatibility modes.

BTreeFolder2.py

@@ -444,15 +444,15 @@ def _setObject(self, id, object, roles=None, user=None, set_owner=1,
         if not suppress_events:
             notify(ObjectAddedEvent(ob, self, id))
 
-        OFS.subscribers.maybeCallDeprecated('manage_afterAdd', ob, self)
+        OFS.subscribers.compatibilityCall('manage_afterAdd', ob, ob, self)
 
         return id
 
 
     def _delObject(self, id, dp=1, suppress_events=False):
         ob = self._getOb(id)
 
-        OFS.subscribers.maybeCallDeprecated('manage_beforeDelete', ob, self)
+        OFS.subscribers.compatibilityCall('manage_beforeDelete', ob, ob, self)
 
         if not suppress_events:
             notify(ObjectWillBeRemovedEvent(ob, self, id))