Update .gitignore
Add socket.io and EmberSocket dependencies.
Import the new dependencies.
Add EmberSockets integration. Include example controllers/models as reference.
Add chat example.
Add bootstrap.
Defer connection.
Improve chat example, now with working authorization and chat log.
Merge branch 'master' into 20-socket-io

Conflicts:
	Brocfile.js
	app/router.js
	app/styles/app.scss
Merge pull request #5 from JCCR/20-socket-io

#20: Add socket.io to the frontend
Merge remote-tracking branch 'upstream/master'