iOS: Screenshot gets saved in nirvana, not possible to open the image via gallery app

[ajgassner]

http://stackoverflow.com/questions/28451456/ios-screenshot-with-cordova-is-not-in-the-photos-library https://github.com/Nomia/ImgDownloader http://stackoverflow.com/questions/21577230/phonegap-save-image-from-url-into-device-photo-gallery