patch applied (cabal): "Bump versions to 1.15 and 0.15"

[Duncan Coutts]

Wed Mar 28 18:29:52 PDT 2012  Duncan Coutts <duncan at community.haskell.org>
  * Bump versions to 1.15 and 0.15
  This is the head branch, the 1.14.x and 0.14.x are in the 1.14 branch.

    M ./Cabal/Cabal.cabal -1 +1
    M ./cabal-install/cabal-install.cabal -1 +1

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=20120329012952-5c91e-c41149f07ae6672d7f36a076402ef1cd87c8d7c9.gz