Get rid of Trinity Singleton and Threading patterns and replace them with ACE_Singletons and ACE_GUARD_x macro´s with ACE_Thread_Mutex´es respectively.

Also get rid of unused CountedReference class that used Trinity threading pattern.

--HG--
branch : trunk

src/server/game/Entities/Creature/CreatureGroups.h

@@ -35,12 +35,15 @@ struct FormationInfo
 
 class CreatureGroupManager
 {
+    friend class ACE_Singleton<CreatureGroupManager, ACE_Null_Mutex>;
     public:
         void AddCreatureToGroup(uint32 group_id, Creature *creature);
         void RemoveCreatureFromGroup(CreatureGroup *group, Creature *creature);
         void LoadCreatureFormations();
 };
 
+#define formation_mgr (*ACE_Singleton<CreatureGroupManager, ACE_Null_Mutex>::instance())
+
 typedef UNORDERED_MAP<uint32/*memberDBGUID*/, FormationInfo*>   CreatureGroupInfoType;
 
 extern CreatureGroupInfoType    CreatureGroupMap;
@@ -73,6 +76,4 @@ class CreatureGroup
         void MemberAttackStart(Creature* member, Unit *target);
 };
 
-#define formation_mgr Trinity::Singleton<CreatureGroupManager>::Instance()
-
 #endif