https://github.com/Vintharas/angular2-step-by-step-01-your-first-component
https://github.com/Vintharas/angular2-step-by-step-02-refactoring-to-services
https://github.com/Vintharas/angular2-step-by-step-03-your-second-component-and-data-bindings
https://github.com/Vintharas/angular2-step-by-step-04-routing
https://github.com/Vintharas/angular2-step-by-step-05-forms-and-validation
https://github.com/Vintharas/angular2-step-by-step-06-consuming-real-data-with-http