RenderTexture now displays correctly in Canvas games.

Stage.display property added. A direct reference to the root Pixi Stage object (very useful for RenderTexture manipulation)

src/core/Stage.js

@@ -47,6 +47,11 @@ Phaser.Stage = function (game, width, height) {
     this._stage.name = '_stage_root';
     this._stage.interactive = false;
 
+    /**
+    * @property {PIXI.Stage} display - The Pixi Stage which is hooked to the renderer.
+    */
+    this.display = this._stage;
+
     /**
     * @property {number} scaleMode - The current scaleMode.
     */