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/Scripting/ScriptMgr.cpp

@@ -10,9 +10,6 @@
 #include "ProgressBar.h"
 #include "ScriptLoader.h"
 #include "ScriptSystem.h"
-#include "SingletonImp.h"
-
-INSTANTIATE_SINGLETON_1(ScriptMgr);
 
 int num_sc_scripts;
 Script *m_scripts[MAX_SCRIPTS];