Core/SmartAI: added TARGET_THREAT_LIST, uses all units from creature's threat list as targets

- modified ACTION_CALL_CASTEDCREATUREORGO to use simple targeting

--HG--
branch : trunk

src/server/game/AI/SmartScripts/SmartAI.cpp

@@ -837,6 +837,7 @@ void SmartGameObjectAI::Reset()
 // Called when a player opens a gossip dialog with the gameobject.
 bool SmartGameObjectAI::GossipHello(Player* player) 
 {
+    sLog.outDebug("SmartGameObjectAI::GossipHello");
     GetScript()->ProcessEventsFor(SMART_EVENT_GOSSIP_HELLO, player, 0 ,0 , false, NULL, go);
     return false;
 }