Scoreboard.cs replace Ladder.cs rename methods,

Changes:
List<Player> topResults >> List<Player> topScores

PrintLadder >> PrintScoreBoard

public bool ResultQualifiesInLadder(int result) >>
public bool PlayerQualifiesInScoreboard(int result)

public void AddResultInLadder(string playerName, int movesCount)
public void AddPlayerInScoreboard(string playerName, int movesCount)

private const int TOP_RESULTS_CAPACITY >> TopScoreCapacity