Update 2014-01-14

Update packages:

    http-client
    pipes-attoparsec
    stylish-haskell

Update packages from [haskell-core]:

    HTTP
    MissingH
    aeson
    attoparsec
    blaze-html
    blaze-markup
    cgi
    highlighting-kate
    hslogger
    json
    maccatcher
    monad-logger
    network
    pandoc
    pandoc-types
    parsec
    system-fileio
    system-filepath
    yaml