Update README.md

Added:
* [**ngEurope: what's new in Angular 1.3?] (http://petermorlion.blogspot.com/2014/10/ngeurope-whats-new-in-angular-13.html)
* [**Working with Validators and Messages in AngularJS] (http://odetocode.com/blogs/scott/archive/2014/10/16/working-with-validators-and-messages-in-angularjs.aspx)