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/QueryHandler.cpp

@@ -33,6 +33,7 @@
 #include "NPCHandler.h"
 #include "Pet.h"
 #include "MapManager.h"
+#include "TimeMgr.h"
 
 void WorldSession::SendNameQueryOpcode(Player *p)
 {
@@ -142,7 +143,7 @@ void WorldSession::HandleNameQueryOpcode( WorldPacket & recv_data )
 void WorldSession::HandleQueryTimeOpcode( WorldPacket & /*recv_data*/ )
 {
     WorldPacket data( SMSG_QUERY_TIME_RESPONSE, 4+4 );
-    data << (uint32)time(NULL);
+    data << (uint32)sGameTime.GetGameTime();
     data << (uint32)0;
     SendPacket( &data );
 }