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/CMakeLists.txt

@@ -250,6 +250,8 @@ SET(game_STAT_SRCS
    TaxiHandler.cpp
    TemporarySummon.cpp
    TemporarySummon.h
+   TimeMgr.cpp
+   TimeMgr.h
    TicketHandler.cpp
    Tools.cpp
    Tools.h