Added FullScreen API support and fixed numerous StageScaleMode issues.

Tests/input/multitouch.js

@@ -0,0 +1,16 @@
+/// <reference path="../../Phaser/Game.ts" />
+(function () {
+    //  Here we create a quite tiny game (320x240 in size)
+    var myGame = new Phaser.Game(this, 'game', 800, 600, init, create, update);
+    function init() {
+        //  Tell Phaser that we want it to scale up to whatever the browser can handle, but to do it proportionally
+        myGame.stage.scaleMode = Phaser.StageScaleMode.SHOW_ALL;
+    }
+    function create() {
+        myGame.onRenderCallback = render;
+    }
+    function update() {
+    }
+    function render() {
+    }
+})();