* Added missing part of mangos merge on interrupt channeling on aura cancel

* Removed hacks attempting to do the above only for possessing or farsight spells
* Moved summon as possessed unsummoning into more general area in Spell::cancel
* Added SQL updates for steam tonk and tonk mine scripts

--HG--
branch : trunk

sql/updates/287_world_scripts.sql

@@ -0,0 +1,2 @@
+UPDATE `creature_template` SET `ScriptName` = 'npc_steam_tonk' WHERE `entry` = '19405';
+UPDATE `creature_template` SET `ScriptName` = 'npc_tonk_mine' WHERE `entry` = '15368';