Removed extra calls and corrected naming errors

Author: wrbright

src/game.js

@@ -40,32 +40,26 @@ export class Game
             // in a full game this should be handled gracefully.
             PIXI.loader.resources['bounce'].sound.volume = value;
         });
-        testApp.state.musicVolume.subscribe(result => 
+        
+        this.app.state.musicVolume.subscribe(result => 
         {
             console.log('musicVolume: ', result);
         });
-        testApp.state.voVolume.subscribe(result => 
+        
+        this.app.state.voVolume.subscribe(result => 
         {
             console.log('voVolume: ', result);
         });
+        
+        this.app.state.captionsMuted.subscribe(result => 
+        {
+            console.log('captionsMuted: ', result);
+        });
 
         // add a extra state property for storying the current scene. Whenever the scene is changed, this class
         // will swap out the container attached to the stage
         this.app.state.scene = new Property(null);
-        this.app.state.scene.subscribe(this.onChangeScene.bind(this));
-
-        this.application.state.musicVolume.subscribe(result => 
-        {
-            console.log('musicVolume: ', result);
-        });
-        this.application.state.voVolume.subscribe(result => 
-        {
-            console.log('voVolume: ', result);
-        });
-        this.application.state.captionsMuted.subscribe(result => 
-        {
-            console.log('captionsMuted: ', result);
-        });
+        this.app.state.scene.subscribe(this.onChangeScene.bind(this));        
 
         // wait for the app to be ready, then set the new scene
         this.app.state.ready.subscribe(() =>