Simplify InputQueue: use InputEventPlus. This has the

timestamp it needs, and we can match MenuI from it without
doing extra conversions.

stepmania/src/StepMania.cpp

@@ -1402,7 +1402,7 @@ void HandleInputEvents(float fDeltaTime)
 		INPUTMAPPER->DeviceToGame( input.DeviceI, input.GameI );
 		
 		if( input.GameI.IsValid()  &&  input.type == IET_FIRST_PRESS )
-			INPUTQUEUE->RememberInput( input.GameI );
+			INPUTQUEUE->RememberInput( input );
 		if( input.GameI.IsValid() )
 		{
 			INPUTMAPPER->GameToMenu( input.GameI, input.MenuI );