Re-add ssh key for my home laptop

This one hasn't been compromised.
Merge pull request #479 from alphagov/readd-pixel-key

Re-add ssh key for my home laptop
Allow dev machine to communicate with others

Add another network adapter on the development-1 machine so it can
communicate with others. The use case for this was using fabric to
restore a postgres backup to the development machine - fabric needed to
connect through the jumpbox.
Merge pull request #480 from alphagov/allow-dev-machine-to-communicate-with-others

Allow dev machine to communicate with others