Fixed main menu sort order.

Scores are now listed alphabetically.

This means that score effectively list first by title and then by year.

Example:

    Score manager - scores

       1: Aracılık (2014)
       2: Betörung (2012)
       3: Blue Example Score (2013)
       4: Čáry (2006)
       5: Chrysanthemums (1995)
       6: Étude Example Score (2013)
       7: Gebiete (2013)
       8: Jivan Mukti
       9: L'archipel du corps (2011)
      10: Las manos mágicas
      11: Lidércfény (2008)
      12: L'imaginare (2010)
      13: Manifolds (2013)
      14: Mon seul désir (2009)
      15: Poème récursif (2005)
      16: Red Example Score (2013)
      17: Red Shift Hijinks (2005)
      18: Sekka (2007)
      19: Tack (1996)
      20: Territoires
      21: Traiettorie inargentate (2013)
      22: Zeit (1998)

          scores - copy (cp)
          scores - new (new)
          scores - remove (rm)
          scores - rename (ren)
    >