Renamed state column in the nodes table to eventstate .

sql/database-create.sql

@@ -438,7 +438,7 @@ CREATE TABLE nodes (
   next_pxe_boot_path text,
   bios_version varchar(64) default NULL,
   eventstatus tinytext,
-  state varchar(10) default NULL,
+  eventstate varchar(10) default NULL,
   state_timestamp int(10) unsigned default NULL,
   PRIMARY KEY  (node_id)
 ) TYPE=MyISAM;