Create README.md

Basic practice, first attempt at working with the Node.js environment.  Express framework with dependencies for MongoDB and Mongoskin.  Views written in Jade.  Basic CRUD app for learning the system.

Create, retrieve and delete portions taken from Christopher Buecheler Node tutorials here:
- http://cwbuecheler.com/web/tutorials/2013/node-express-mongo/
- http://cwbuecheler.com/web/tutorials/2014/restful-web-app-node-express-mongodb/

Update and any additional features added by me.