Update for v0.10.43 and v0.12.11

Opened this to track progress.

I have a branch with v0.12.11 added; I'm waiting on v0.10.43 being available:

https://github.com/chorrell/docker-node/tree/v0.10.43-v0.12.11

Reference:
- https://github.com/nodejs/node/pull/5404
- https://github.com/nodejs/node/pull/5403
