N.S.ByteString.Lazy doesn't need to use hsc2hs
Support all function in N.S.ByteString.Lazy on Windows

Fixes #135.
Update .travis.yml
Convert README to markdown and add build-icon
fixup
README was renamed to README.md
recvFd: fix memory leak

Fixes #138.
Recommend against Network's use in haddock summary

Per Tibbe's comment in Github issue #124:

  Aside: the whole Network module is unfortunately a bit ill-conceived
  (e.g. it assumes TCP only). We will keep it for backwards compatibility
  but new users should really use Network.Socket.

  https://github.com/haskell/network/issues/124#issuecomment-36513742
FFI wrapper for socket function.