patch applied (cabal): "Rename the cabal directory to Cabal"

[Ian Lynagh]

Sun Oct 23 08:10:02 PDT 2011  Ian Lynagh <igloo at earth.li>
  * Rename the cabal directory to Cabal
  
  Makes things a little simpler in GHC's build system if libraries are in
  the same directory as their name.

     ./cabal -> ./Cabal
    M ./README -1 +1
    M ./ghc-packages -1 +1

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=20111023151002-3fd76-95dea66802c163dcff55efd4c8b65e31209c0ee9.gz