patch applied (cabal-branches/cabal-1.2): Bump version number to 1.2.2.1

[Ian Lynagh]

Thu Nov 15 07:10:09 PST 2007  Duncan Coutts <duncan at haskell.org>
  * Bump version number to 1.2.2.1
  and update changelog

    M ./Cabal.cabal -2 +2
    M ./Makefile -2 +2
    M ./changelog +6
    M ./releaseNotes -1 +1