private MapSettings(int boardWidth,int boardHeight,int mapWidth,int mapHeight){
  setBoardSize(boardWidth,boardHeight);
  setMapSize(mapWidth,mapHeight);
}

private MapSettings ( int boardWidth , int boardHeight , int mapWidth , int mapHeight ) { setBoardSize ( boardWidth , boardHeight ) ; setMapSize ( mapWidth , mapHeight ) ; }
create new mapsettings with all size settings specified
