[TIMOB-23509] iOS10: Expose new visual effects on Ti.UI.iOS.BlurView

   var win = Ti.UI.createWindow({
       backgroundColor: "#fff"
   });
   
   // Reference image (or view)
   var img = Ti.UI.createImageView({
       image: "/default_app_logo.png",
       top: 100,
       width: 300,
       height: 300
   });
   
   // Blur view
   var blur = Ti.UI.iOS.createBlurView({
       width: Ti.UI.FILL,
       height: Ti.UI.FILL
   });
   
   img.add(blur);
   
   // Effect controls
   var tabs = Ti.UI.iOS.createTabbedBar({
       labels: ["Extra light", "Light", "Dark", "Regular", "Prominent"],
       bottom: 100
   });
   
   // Available blur effects
   var effects = [
       Ti.UI.iOS.BLUR_EFFECT_STYLE_EXTRA_LIGHT,
       Ti.UI.iOS.BLUR_EFFECT_STYLE_LIGHT,
       Ti.UI.iOS.BLUR_EFFECT_STYLE_DARK,
       Ti.UI.iOS.BLUR_EFFECT_STYLE_REGULAR,
       Ti.UI.iOS.BLUR_EFFECT_STYLE_PROMINENT
   ];
   
   tabs.addEventListener("click", function(e) {
       blur.setEffect(effects[e.index]);
   });
   
   win.add(tabs);
   win.add(img);
   win.open();