[TIMOB-17479] iOS: Memory leak when ListView template contains an event listener that update the listview

// This is a single context application with multiple windows in a stack
(function() {

var createTableWin = function(){
	var tableWin = Ti.UI.createWindow({backgroundColor: 'white'});

	var myTemplate = {
	    childTemplates: [
	        {
	            type: 'Ti.UI.Label',
	            bindId: 'titleLabel',
	            properties: {
	                width: '50%',
	                height: '100%',
	                left: '0dp'
	            }
	        },
	        {
	            type: 'Ti.UI.TextField',
	            bindId: 'textfield',
	            properties: {
	            	width: '49.5%',
					right: '0dp',
					borderStyle: Ti.UI.INPUT_BORDERSTYLE_ROUNDED
	            },
	            events: {
					focus: function(event) {

					},
					blur: function(event) {
						var sections = [];
						var fruitSection = Ti.UI.createListSection({ headerTitle: 'Fruits / Frutas'});
						var fruitDataSet = [
						    { titleLabel: {text: 'Apple'}},
						    { titleLabel: {text: 'Banana'}},
						    { titleLabel: {text: 'One more item'}}
						];
						fruitSection.setItems(fruitDataSet);
						sections.push(fruitSection);
						listView.setSections(sections);
					},
					change: function(event) {

					}
				}
	        }
	    ]
	};

	var listView = Ti.UI.createListView({
	    templates: { 'template': myTemplate },
	    defaultItemTemplate: 'template'
	});
	var sections = [];



	var fruitSection = Ti.UI.createListSection({ headerTitle: 'Fruits / Frutas'});
	var fruitDataSet = [
	    { titleLabel: {text: 'Apple'}},
	    { titleLabel: {text: 'Banana'}}
	];
	fruitSection.setItems(fruitDataSet);
	sections.push(fruitSection);

	listView.setSections(sections);
	tableWin.add(listView);

	return tableWin;
};

//empty root win
var rootWin = Ti.UI.createWindow({backgroundColor: 'white'});
var leftButton = Ti.UI.createButton({
	title: 'open'
});
leftButton.addEventListener('click', function(){
	iosNav.openWindow(createTableWin());
});
rootWin.setLeftNavButton(leftButton);



var iosNav = Ti.UI.iOS.createNavigationWindow({
	window: rootWin
});
iosNav.open();


})();