Add a parent slot to the eventlist table for tying events to a

timeline or sequence.

sql/database-create.sql

@@ -233,6 +233,7 @@ CREATE TABLE eventlist (
   isgroup tinyint(1) unsigned default '0',
   arguments text,
   atstring text,
+  parent varchar(64) NOT NULL default '',
   PRIMARY KEY  (pid,eid,idx),
   KEY vnode (vnode)
 ) TYPE=MyISAM;

sql/database-migrate.txt

@@ -2362,3 +2362,8 @@ last_net_act,last_cpu_act,last_ext_act);
 
         alter table experiments change maximum_nodes maximum_nodes \
             int(6) unsigned default NULL; 
+
+1.306: Add a parent slot to the eventlist table for tying events to a
+       timeline or sequence.
+
+	alter table eventlist add parent varchar(64) not null default '';