refactor to use prototipical inheritance in server and client model
basic socket.io integration
Merge branch 'master' of https://github.com/sammla/invisible into socket

Conflicts:
	package.json
	src/server_model.coffee
socket.io emit events on save, update, and delete
move client and server files, modelName is now only static attribute
refactor socket to another file
Merge pull request #12 from sammla/socket

Socket.io integration