Cordova UUID plugin demo

Retrieve you device UUID according to the cordova "uniquedeviceid" plugin.It is useful, for instance, if you want to retrieve your ID in order to set up an exclusion in your admob plugin, in order to display test ads on selected devices.The plugin generates a Universally Unique IDentifier among devices having Android, iOS and WIndows Phone. The generated ID does not change after the unistall of the app.