Scripts: Added script for Lord Marrowgar

Added base script for Icecrown Citadel instance

--HG--
branch : trunk

sql/updates/9453_world_scriptname.sql

@@ -0,0 +1,7 @@
+-- Lord Marrowgar
+UPDATE `creature_template` SET `ScriptName`='boss_lord_marrowgar' WHERE `entry`=36612;
+UPDATE `creature_template` SET `ScriptName`='npc_coldflame' WHERE `entry`=36672;
+UPDATE `creature_template` SET `ScriptName`='npc_bone_spike' WHERE `entry`=38711;
+
+-- Instance
+UPDATE `instance_template` SET `script`='instance_icecrown_citadel' WHERE `map`=631;