2863: Wrong row when dropping on embedded list

This patch makes sure open of old database shows correct columns, and 
adds ... if several main participants


svn: r13085

src/gen/db/base.py

@@ -2473,8 +2473,8 @@ class GrampsDbBase(Callback):
         metadata.
         """
         default = [(1, 0, 200), (1, 1, 75), (1, 2, 100), 
-                   (0, 3, 0), (1, 4, 150),
-                   (1, 5, 200), (0, 6, 100)]
+                   (0, 6, 230), (1, 3, 150),
+                   (1, 4, 200), (0, 5, 100)]
         return self.__get_columns(EVENT_COL_KEY, default)
 
     def get_repository_column_order(self):