Update 2014-07-30

Update packages:

    fay-base
    network-simple
    pipes-network

Update dependencies from [haskell-core]:

    HStringTemplate
    bifunctors
    comonad
    conduit
    conduit-extra
    contravariant
    either
    free
    http-conduit
    monad-logger
    pandoc
    profunctors
    semigroupoids
    semigroups
    void
    xml-conduit

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