Update README.md
Merge pull request #119 from pyprism/patch-3

Update README.md
Update README.md

added a new link:
* [Techniques for authentication in AngularJS applications] (https://medium.com/opinionated-angularjs/7bbf0346acec)
Update README.md

Added: 
* [AngularJS Routing Using UI-Router] (http://scotch.io/tutorials/javascript/angular-routing-using-ui-router)
* [Introduction to Angular.js in 50 Examples (part 1)] (https://www.youtube.com/watch?v=TRrL5j3MIvo&feature=youtu.be)
Merge pull request #19 from jmcunningham/master

Update Links