Remove large resources. (#16)

example-app/examplescene.h

@@ -11,16 +11,30 @@
 
 #include <qtk/scene.h>
 
-class ExampleScene : public Qtk::SceneInterface {
+class ExampleScene : public Qtk::Scene
+{
   public:
-    ExampleScene(Qtk::Scene * scene);
+    explicit ExampleScene();
 
     ~ExampleScene();
 
+    /**
+     * Override the initialization logic for the scene.
+     * This method should up the scene's objects, skybox, etc.
+     */
     void init() override;
 
+    /**
+     * Optionally override the draw method for the scene.
+     *
+     * This is just here for example, it should be omitted entirely if we don't
+     * want to provide a custom implementation for the ExampleScene.
+     */
     void draw() override;
 
+    /**
+     * Update objects in the scene for translation or rotation.
+     */
     void update() override;
 };