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/DungeonFinding/LFGMgr.cpp

@@ -15,7 +15,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
-#include "SingletonImp.h"
+
 #include "Common.h"
 #include "SharedDefines.h"
 #include "Group.h"
@@ -24,8 +24,6 @@
 #include "ObjectMgr.h"
 #include "WorldPacket.h"
 
-INSTANTIATE_SINGLETON_1(LFGMgr);
-
 /*********************************************************/
 /***                    LFG QUEUES                     ***/
 /*********************************************************/