Description:
    Creates a default AngularJS app

Example:
    yo angular [--coffee]

    This will create:
        Gruntfile.js
        bower.json

        www/index.html
        www/js/your-app-name-here.js
        www/js/controllers/main.js
        www/vendor/angular/angular.js
        www/css/main.css
        www/tpl/main.html

        test/lib/angular-mocks.js
        test/spec/controllers/main.js
