patch applied (packages/Cabal): Bump version number to 1.5.5

[Ian Lynagh]

Fri Sep 19 07:01:30 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Bump version number to 1.5.5
  Ready to make the 1.6 branch

    M ./Cabal.cabal -2 +2
    M ./releaseNotes -2

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080919140130-adfee-82ae93f3a75f0208a3126b912ed2c035d1ebecbb.gz