Add new Grunt build

src/Phaser.js

@@ -7,10 +7,10 @@
 /**
 * @namespace Phaser
 */
-var Phaser = Phaser || { 
+var Phaser = Phaser || {
 
-	VERSION: '1.1.0', 
-	GAMES: [], 
+	VERSION: '<%= version %>',
+	GAMES: [],
 	AUTO: 0,
 	CANVAS: 1,
 	WEBGL: 2,
@@ -39,4 +39,4 @@ var Phaser = Phaser || {
 PIXI.InteractionManager = function (dummy) {
 	//	We don't need this in Pixi, so we've removed it to save space
 	//	however the Stage object expects a reference to it, so here is a dummy entry.
-};
+};