Update Unicode-Collate to CPAN version 0.61

Update Unicode-Collate to CPAN version 0.61

  [DELTA]

  0.61  Sat Oct  2 11:41:29 2010
    - U::C::Locale newly supports locales: hr, ig, sq.
    - precomposites of e-dot-below, o-dot-below, o-tilde are tailored as well.
        (affected locales: et, yo)
    - Vietnamese (vi): added contractions for non-blocked decompositions
      * base + dot-below + diacritical such as "a\x{323}\x{306} etc.
      * base + tone + horn such as "o\x{300}\x{31B}" etc.