cabal2nix derivation for haskellPackages.fayText
Register expression for fay-text in catalog.
Merge pull request #2647 from crooney/master

cabal2nix derivation for haskellPackages.fayText
haskell-temporary-rc: add version 1.2.0.3
haskell-data-lens-light: add version 0.1.1
haskell-X11: update to version 1.6.1.2
haskell-AES: update to version 0.2.9
haskell-aeson: update to version 0.7.0.4
haskell-bindings-GLFW: update to version 3.0.3.2
haskell-classy-prelude-conduit: update to version 0.9.2
haskell-classy-prelude: update to version 0.9.2
haskell-cond: update to version 0.4.1
haskell-conduit-combinators: update to version 0.2.5.2
haskell-contravariant: update to version 0.6
haskell-digestive-functors: update to version 0.7.1.1
haskell-dns: update to version 1.2.3
haskell-either: update to version 4.1.2
haskell-ex-pool: update to version 0.2
haskell-exceptions: update to version 0.6.1
haskell-fay: update to version 0.20.0.3