Added new 'all score packages - fix (fix)' command.

Description: iterates all visible score packages and fixes each one, as needed.

Availability: this version of (fix) mapped to all score packages is available
at the Score Manager main menu only.

Example: when nothing needs to be fixed:

    Score manager - active scores

        1: Betörung (2012)
        2: Čáry (2006)
        3: L'archipel du corps (2011)
        4: L'imaginare (2010)
        5: Lidércfény (2008)
        6: Mon seul désir (2009)
        7: Poème récursif (2005)
        8: Red Shift Hijinks (2005)
        9: Sekka (2007)
        10: Traiettorie inargentate (2013)

        scores - new (new)

    > fix

    L'archipel du corps OK.
    Betörung OK.
    Čáry OK.
    Mon seul désir OK.
    L'imaginare OK.
    Lidércfény OK.
    Poème récursif OK.
    Red Shift Hijinks OK.
    Sekka OK.
    Traiettorie inargentate OK.

    10 score packages checked.

    Press return to continue.

Example: when a directory is missing:

    Score manager - active scores

        1: Betörung (2012)
        2: Čáry (2006)
        3: L'archipel du corps (2011)
        4: L'imaginare (2010)
        5: Lidércfény (2008)
        6: Mon seul désir (2009)
        7: Poème récursif (2005)
        8: Red Shift Hijinks (2005)
        9: Sekka (2007)
        10: Traiettorie inargentate (2013)

        scores - new (new)

    > fix

    L'archipel du corps OK.
    Create '/Users/trevorbaca/Documents/scores/betoerung/stylesheets'? y
    Čáry OK.
    Mon seul désir OK.
    L'imaginare OK.
    Lidércfény OK.
    Poème récursif OK.
    Red Shift Hijinks OK.
    Sekka OK.
    Traiettorie inargentate OK.

    10 score packages checked.

    Press return to continue.

Probably a good idea to run the command every so often as part of healthy
maintenance.