Updated world.sql and characters.sql.

Removed commented code form realm.sql and set account.expansion field default value to 2 (wotlk) (thx Aokromes).
Properly set default values for some world DB fields.
Properly set some world DB fields to allow Database import in strict mode (by Brian).
Updated world_script_full with recent committed npc script.
Renamed a couple of files with proper revision number.
Note: no DB data will changed nor harmed by this commit.

--HG--
branch : trunk

sql/updates/7246_world_command.sql

@@ -0,0 +1,8 @@
+-- delete unused command loadscripts
+DELETE FROM `command` WHERE `name` = 'loadscripts';
+-- Change the default scurity level for some commands
+UPDATE `command` SET `security`=2 WHERE `name` IN ('playall','npc setlink','reload creature_linked_respawn'); -- DB devs command
+UPDATE `command` SET `security`=1 WHERE `name` IN ('freeze','listfreeze','unfreeze'); -- Players can be anoying when talking a mod
+UPDATE `command` SET `security`=1 WHERE `name` IN ('gmannounce','gmnameannounce','gmnotify'); -- even mods needs to notify things when a higher range staft is not online
+UPDATE `command` SET `security`=1 WHERE `name` IN ('ticket assign','ticket close','ticket comment','ticket unassign'); -- Dirty work for slaves
+UPDATE `command` SET `security`=1 WHERE `name`='account addon'; -- Server admins uses addon to close northrend