0b541d513e
Add a .gitignore under the upgrade example that keeps package.json, tsconfig.json and karma.conf.js. Also restore the files under each example.
Each subdirectory here is a version of the PhoneCat app.
Each version is fully functional, but omits the JSON data and image
files in the interest of keeping things clean. To run each app
in its full form, copy the img and phones directories from
https://github.com/angular/angular-phonecat/tree/master/app under app.