haskell-cabal2nix: update to version 1.70
haskell-sloane: update to version 1.9.3

This version supports the latest optparse-applicative.
haskell-git-annex: update to version 5.20140927
haskell-liblastfm: update to version 0.4.1.0
haskell-BNFC: update to version 2.7.0.1
haskell-Ebnf2ps: update to version 1.0.12