Node 5.6.0
Node 5.6.0

Upgrade node.js to 5.6.0. This isn't the latest LTS but it's the version
I need right now.

Add description and upstream URL. Make ShellCheck happy.

Signed-off-by: Nathan L Smith <2b5c240e6abd88e71ffc225b0459016e4cba9bda@chef.io>

be-plans/be,be-plans/be,be-plans/be,be-plans/be