fdupes: update to 2.0.0.

Changes from 1.6.1 to 2.0.0:

    Add ncurses mode for interactive file deletion (plain mode still available via --plain or ./configure).
    Add --minsize option.
    Add --maxsize option.
    Add --time option.
    Add --order=ctime option.
    Add --log option.
    Use configure script for installation (Autotools/Automake).

Changes from version 1.6.0 to 1.6.1:

    Fix 'invalid option' error for -I.

Changes from 1.51 to 1.6.0:

    Add --nohidden option.
    Add --permissions option.
    Add --order option.
    Add --reverse option.
    Add --immediate option.
    Speed up file comparison.
    Fix bug where fdupes fails to consistently ignore hardlinks, depending on
    file processing order, when F_CONSIDERHARDLINKS flag is not set.
    Fix bug in is_hardlink(): Proper traversal of duplicates is done via
    dupe->duplicates, not via dupe->next.
    Revise md5.c to compile under OSX.
    Remove EXTERNAL_MD5 configuration option.
    Various other changes (see git log).

(wiz)