Update 2014-06-07

Update packages:

    lens
    pipes-aeson
    pipes-attoparsec

Update dependencies from [haskell-core]:

    aeson
    bifunctors
    conduit
    conduit-extra
    connection
    cprng-aes
    crypto-numbers
    crypto-pubkey
    crypto-random
    either
    free
    http-client-tls
    http-conduit
    monad-logger
    profunctors
    semigroupoids
    tls
    vector
    x509-validation
    xml-conduit

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