Update for v0.10.43 and v0.12.11

[chorrell]

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:

• Release proposal: v0.10.43 (Maintenance) node#5404
• Release proposal: v0.12.11 (LTS) node#5403

[chorrell]

Added v0.10.43 and doing a test build

[chorrell]

Opening pull request to Docker hub

[chorrell]

PR for the Docker hub: docker-library/official-images#1511