punycode: update to v1.1.1 (Mathias Bynens)

c-ares: upgrade to 1.9.0 (Saúl Ibarra Corretgé)

dns: ignore rogue DNS servers reported by windows (Saúl Ibarra Corretgé)

unix: speed up uv_async_send() (Ben Noordhuis)

darwin: get cpu model correctly on mac (Xidorn Quan)

nextTick: Handle tick callbacks before any other I/O (isaacs)