Replaced time(NULL) on sGameTime.GetGameTime() this is used for better performance.

Original Timer.h divided into 2 parts. Shared project has no need to know about GameTime Singleton.
2 Identical structures with different types are now replaced with one generic templated structure and 2 typedefs.

--HG--
branch : trunk

src/game/Map.h

@@ -29,7 +29,7 @@
 #include "DBCStructure.h"
 #include "GridDefines.h"
 #include "Cell.h"
-#include "Timer.h"
+#include "TimeMgr.h"
 #include "SharedDefines.h"
 #include "GameSystem/GridRefManager.h"
 #include "MapRefManager.h"