Initial commit.
Improves logger reusability in Discovery.
PubEmitter emits added / removed node events.
Introduces Requester component.
Introduces subscriber component.
Responder requires requester, instead of a sockend.
Responder emits removed node information object along with removed message.
Renames PubEmitter.js to its component name, Publisher.js.
Publisher, Subscriber and Requester are available as modules in index.js.
Readme features requester and subscriber.