Script/Commands: Make creature_summon_groups table reloadable.

sql/updates/world/2013_02_24_05_world_command.sql

@@ -0,0 +1,4 @@
+DELETE FROM `command` WHERE `name` = 'reload creature_summon_groups';
+INSERT INTO `command` (`name`,`security`,`help`) VALUES
+('reload creature_summon_groups',3,'Syntax: .reload creature_summon_groups
+Reload creature_summon_groups table.');