Updated Node.js to v0.10.31

Added armadaxp architecture support
Included buildfix for openssl/arm (see https://github.com/needforspeed/node/commit/806ff90078a0070b9646fb9f33e2a5e68f1a72dd)

Hi,

I updated Node.js to v0.10.31 - see my commit at wind-rider@d6f363c.

Is anybody interested in testing it?