added mob name colour update

- added mobmods (need to be loaded from db)
- added Zone.GetBattleNpcById
- added missing IsValidTarget check in AttackState

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

@@ -2,6 +2,10 @@
 {
     class NpcWork
     {
+        public static byte HATE_TYPE_NONE = 0;
+        public static byte HATE_TYPE_ENGAGED = 2;
+        public static byte HATE_TYPE_ENGAGED_PARTY = 3;
+
         public ushort pushCommand;
         public int pushCommandSub;
         public byte pushCommandPriority;