Update 2014-10-21

Update packages:

    fay
    fb
    ixset

Update dependencies from [haskell-core]:

    aeson
    cpphs
    haskell-src-exts
    http-client
    http-client-tls
    http-conduit
    monad-logger
    pandoc
    pandoc-types

Signed-off-by: Nicola Squartini <tensor5@gmail.com>