9.0.1 - AngularJS

Added ‘angularjs’ to our index.html file.
9.0.3 - GulpFile | scripts

Add main-angular.js first in the ‘scripts’ task, than run others after.
9.0.6 - ngApp, angular.module, ngResource

Declared an angular module in our app
- angularTunes
- ngResource
Merge branch 'Chapter-9'