haskell-MonadRandom: update to version 0.2.0.1
haskell-HTTP: update to version 4000.2.18
haskell-arbtt: update to version 0.8.1.2
haskell-http-client: update to version 0.3.7.2
haskell-language-c: update to version 0.4.6
haskell-stylish-haskell: update to version 0.5.10.2
haskell-yesod-core: update to version 1.2.19.1
network-uri: build with a recent version of Cabal on GHC 6.x
Build cabal-install-0.14.0 with network 2.3.x on GHC 7.4.2 and below.

Fixes <https://github.com/NixOS/nixpkgs/pull/3770>.