[TIMOB-20451] Window.close should use new activity*Transition instead of activity*Animation or default

   Ti.UI.setBackgroundColor('#000');
   var win = Ti.UI.createWindow({
     backgroundColor: 'black',
     fullscreen: false,
     title: 'Master'
   });
    
   var IMG_BASE = 'https://github.com/appcelerator/titanium_mobile/raw/master/demos/KitchenSink/Resources/images/';
   var defaultFontSize = Ti.Platform.name === 'android' ? 16 : 14;
    
   var tableData = [];
    
   for (var i=1; i<=20; i++){
     var row = Ti.UI.createTableViewRow({
       className:'forumEvent', // used to improve table performance
       selectedBackgroundColor:'white',
       rowIndex:i, // custom property, useful for determining the row during events
       height:110
     });
    
     var avatar = createAvatar();
     avatar.transitionName = "avatar";
     row.add(avatar);
      
     var labelUserName = Ti.UI.createLabel({
       color:'#576996',
       font:{fontFamily:'Arial', fontSize:defaultFontSize+6, fontWeight:'bold'},
       text:'Fred Smith ' + i,
       left:70, top: 6,
       width:200, height: 30,
     });
     row.add(labelUserName);
    
     var labelDetails = Ti.UI.createLabel({
       color:'#222',
       font:{fontFamily:'Arial', fontSize:defaultFontSize+2, fontWeight:'normal'},
       text:'Replied to post with id ' + randomInt(1000) + '.',
       left:70, top:44,
       width:360
     });
     row.add(labelDetails);
    
     var imageCalendar = Ti.UI.createImageView({
       image:IMG_BASE + 'custom_tableview/eventsButton.png',
       left:70, bottom: 2,
       width:32, height: 32
     });
     row.add(imageCalendar);
    
     var labelDate = Ti.UI.createLabel({
       color:'#999',
       font:{fontFamily:'Arial', fontSize:defaultFontSize, fontWeight:'normal'},
       text:'on ' + randomInt(30) + ' Nov 2012',
       left:105, bottom:10,
       width:200, height:20
     });
     row.add(labelDate);
    
     tableData.push(row);
   }
    
   var tableView = Ti.UI.createTableView({
     backgroundColor:'white',
     data:tableData
   });
    
   tableView.addEventListener('click', function(e){
   	var masterAvatar = e.row.children[0];
   	var masterUsername = e.row.children[1];
   	
   	var win2 = Ti.UI.createWindow({
   	animated: true,
   	  layout: 'vertical',
   	  backgroundColor: 'white',
   	  title: 'Details-',
   	  activityEnterAnimation: Ti.Android.R.anim.fade_in,
         activityExitAnimation: Ti.Android.R.anim.fade_out
   	});
   	
   	var avatar = createAvatar();
   	avatar.width = 80;
   	avatar.height = 80;
   	avatar.left = 100;
   	avatar.transitionName = "avatar";
     	var labelUserName2 = Ti.UI.createLabel({
   	    color:'#576996',
   	    font:{fontFamily:'Arial', fontSize:defaultFontSize+6, fontWeight:'bold'},
   	    text:'Tap to close',
   	    top: 20,
   	    width:250, height: 60,
   	    transitionName: "username",
   	  });
   	labelUserName2.addEventListener('click', function() {
   		win2.close()
   	});
   	  
   	win2.add(avatar)  
       win2.add(labelUserName2);
   	win2.addSharedElement(masterAvatar, "avatar");
   	win2.addSharedElement(masterUsername, "username");
   	win2.open(); 
   });
   win.add(tableView);
   win.open();
    
   function createAvatar() {
     var avatar = Ti.UI.createView({
       backgroundColor: 'green',
       left:10, top:5,
       width:50, height:50,
     });
     return avatar; 
   }
   
   // generate random number, used to make each row appear distinct for this example
   function randomInt(max){
     return Math.floor(Math.random() * max) + 1;
   }