[TIMOB-18712] Facebook module: upgrade iOS Facebook SDK and improve requestDialog

var fb = require('facebook');

var win = Ti.UI.createWindow({
	title: 'RequestDialog',
	backgroundColor:'#fff',
	fullscreen: false
});

var requestDialog = Ti.UI.createButton({
	title: 'Request Dialog',
	top: 180, left: 10, right: 10, height: 40
});

requestDialog.addEventListener('click', function() {
	fb.presentSendRequestDialog( 
		{message: 'Go to https://appcelerator.com/'}, 
		{data:
        "{\"badge_of_awesomeness\":\"1\"," +
        "\"social_karma\":\"5\"}"});
});

fb.addEventListener('requestDialogCompleted', function(e) {
	if (e.success) {
		alert('Request dialog completed. Returned URL is ' + e.resultURL);
	}
	else if (e.cancelled) {
		alert('Request dialog cancelled');
	}
	else {
		alert('error ' + e.error);           
	}
});

win.add(requestDialog);
win.open();