patch applied (cabal): Display Cabal version in configure output with -v

[Duncan Coutts]

Fri May  9 09:35:07 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Display Cabal version in configure output with -v
  eg "Using Cabal-1.5.1 compiled by ghc-6.8"
  Annoyingly ghc doesn't give us its full version number.

    M ./Distribution/Simple/Configure.hs +2

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20080509163507-adfee-f79c894af02d8ea5cf607f28ccc077b4253ffca5.gz