[TIMOB-10811] iOS: Option for disabling default spinner for WebView when opening remote URLs.

Titanium.UI.setBackgroundColor('#fff');
   
   var win = Titanium.UI.createWindow({  
       title: 'WebView Test',
       backgroundColor: '#fff'
   });
   
   var button1 = Titanium.UI.createButton({
   	top: 330,
   	title: 'Open Remote URL With Spinner',
   	style: Titanium.UI.iPhone.SystemButtonStyle.BORDERED
   });
   
   button1.addEventListener('click', function(e) {
   	var webview = Titanium.UI.createWebView({
   		top: 0,
   		width: 320,
   		height: 320,
   		url: 'http://www.nobius.org/~dbg/practical-file-system-design.pdf', // need slow loading remote url to catch spinner
   		// hideDefaultSpinner: false (default is already false)
   	});
   	
   	win.add(webview);
   });
   
   win.add(button1);
   
   var button2 = Titanium.UI.createButton({
   	top: 380,
   	title: 'Open Remote URL Without Spinner',
   	style: Titanium.UI.iPhone.SystemButtonStyle.BORDERED
   });
   
   button2.addEventListener('click', function(e) {
   	var webview = Titanium.UI.createWebView({
   		top: 0,
   		width: 320,
   		height: 320,
   		url: 'http://www.newamericancentury.org/RebuildingAmericasDefenses.pdf', // another slow loading remote url
   		hideLoadIndicator: true
   	});
   	
   	win.add(webview);
   });
   
   win.add(button2);
   
   win.open();