First pass

modularize scaffolding for node cluster

currently projects like cn, rtapi, ncar, pds all have a variant of this

please provide opinions

@Raynos @mrhooray @jsu1212 @kumikoda 
you forgot to write documentation.

A first pass must include documentation. 

You should must write an example and should write a section in the documentation explaining the interface and it's arguments.

You may write a jsig definition of your interface, you may write a section in your README called motivation explaining why this module exists, you may write a section in your README called prior art referencing prior art and how they do not solve your problem.