* https://github.com/nervgh/angular-file-upload/blob/master/src/services/FileUploader.js
* https://stuk.github.io/jszip/documentation/howto/read_zip.html
* http://onehungrymind.com/zip-parsing-jszip-angular/
* https://github.com/nervgh/angular-file-upload/blob/master/src/services/FileUploader.js
* https://stuk.github.io/jszip/documentation/howto/read_zip.html
* http://onehungrymind.com/zip-parsing-jszip-angular/