Lots of renderTexture updates and examples added

src/gameobjects/Graphics.js

@@ -25,6 +25,9 @@ Phaser.Graphics = function (game, x, y) {
 	*/
     this.type = Phaser.GRAPHICS;
 
+    this.position.x = x;
+    this.position.y = y;    
+
 };
 
 Phaser.Graphics.prototype = Object.create(PIXI.Graphics.prototype);
@@ -56,10 +59,14 @@ Phaser.Graphics.prototype.destroy = function() {
 Phaser.Graphics.prototype.drawPolygon = function (poly) {
 
     graphics.moveTo(poly.points[0].x, poly.points[0].y);
-    for (var i = 1; i < poly.points.length; i += 1) {
+
+    for (var i = 1; i < poly.points.length; i += 1)
+    {
         graphics.lineTo(poly.points[i].x, poly.points[i].y);
     }
+
     graphics.lineTo(poly.points[0].x, poly.points[0].y);
+    
 }
 
 Object.defineProperty(Phaser.Graphics.prototype, 'angle', {