feat(objectRef, collection-ref): Implement refs

- Implement `ObjectRef`
- Implement `collectionRef`
- Add coffeelint task `grunt coffeelint` to validate coding style and
fixed resulting errors
docs($really-js): Update README by adding CoffeeScript Style Guide reference
test($really-js) Add tests for WebSocket protocol

- Add tests for WebSocket protocol methods

Closes REALLY-80