[TIMOB-24718] iOS: Resolve iOS 8 deprecations for UIAlertView and UIActionSheet

   var win = Ti.UI.createWindow({
     title: 'Click window to test',
     backgroundColor: 'white'
   });
   
   var opts = {
     cancel: 2,
     options: ['Confirm', 'Help', 'Cancel'],
     selectedIndex: 2,
     destructive: 0,
     title: 'Delete File?'
   };
   
   win.addEventListener('click', function(e){
     var dialog = Ti.UI.createOptionDialog(opts).show();
   });
   win.open();
   

   var win = Ti.UI.createWindow({  
     title: 'Click window to test',
     backgroundColor: 'white'
   });
   win.addEventListener('click', function(e){
     var dialog = Ti.UI.createAlertDialog({
       cancel: 1,
       buttonNames: ['Confirm', 'Cancel', 'Help'],
       message: 'Would you like to delete the file?',
       title: 'Delete'
     });
     dialog.addEventListener('click', function(e){
       if (e.index === e.source.cancel) {
         Ti.API.info('The cancel button was clicked');
       }
       Ti.API.info('e.cancel: ' + e.cancel);
       Ti.API.info('e.source.cancel: ' + e.source.cancel);
       Ti.API.info('e.index: ' + e.index);
     });
     dialog.show();
   });
   win.open();