stubbed some more states

- stubbed some ability stuff
- moved packet things to loop instead of session only
- added mob roaming and aggro
- todo: fix target find/detection/pathfinding speed/line of sight/line aoe length etc
- todo: see "// todo:" in code

FFXIVClassic Map Server/actors/chara/npc/Npc.cs

@@ -396,7 +396,8 @@ namespace FFXIVClassic_Map_Server.Actors
 
         public override void Update(DateTime tick)
         {
-        
+            // todo: can normal npcs have status effects?
+            aiContainer.Update(tick);
         }
 
         //A party member list packet came, set the party