added request(), response(), router(), view() @method reference to

Flight PHPDoc section. Also did some rearrangement of methods in
documentation.

flight/Flight.php

@@ -9,27 +9,49 @@
 /**
  * The Flight class is a static representation of the framework.
  *
+ * Core.
+ * @method  static void start() Starts the framework.
+ * @method  static void path($path) Adds a path for autoloading classes.
+ * @method  static void stop() Stops the framework and sends a response.
+ * @method  static void halt($code = 200, $message = '') Stop the framework with an optional status code and message.
+ *
+ * Routing.
+ * @method  static void route($pattern, $callback) Maps a URL pattern to a callback.
+ * @method  static flight\net\Router router() Returns Router instance.
+ *
+ * Extending & Overriding.
  * @method  static void map($name, $callback) Creates a custom framework method.
- * @method  static void register($name, $class, array $params = array(), $callback = null) Registers a class to a framework method.
+ * @method  static void register($name, $class, array $params = array(), $callback = null) Registers a class to a
+ *          framework method.
+ *
+ * Filtering.
  * @method  static void before($name, $callback) Adds a filter before a framework method.
  * @method  static void after($name, $callback) Adds a filter after a framework method.
- * @method  static void path($path) Adds a path for autoloading classes.
- * @method  static mixed get($key) Gets a variable.
+ *
+ * Variables.
  * @method  static void set($key, $value) Sets a variable.
+ * @method  static mixed get($key) Gets a variable.
  * @method  static bool has($key) Checks if a variable is set.
  * @method  static void clear($key = null) Clears a variable.
- * @method  static void start() Starts the framework.
- * @method  static void stop() Stops the framework and sends a response.
- * @method  static void halt($code = 200, $message = '') Stop the framework with an optional status code and message.
- * @method  static void route($pattern, $callback) Maps a URL pattern to a callback.
- * @method  static void redirect($url, $code = 303) Redirects to another URL.
+ *
+ * Views.
  * @method  static void render($file, array $data = null, $key = null) Renders a template file.
+ * @method  static flight\template\View view() Returns View instance.
+ *
+ * Redirects.
+ * @method  static void redirect($url, $code = 303) Redirects to another URL.
+ *
+ * Request & Response.
+ * @method  static flight\net\Request request() Returns Request instance.
+ * @method  static flight\net\Response response() Returns Request instance.
+ * @method  static void json($data, $code = 200, $encode = true) Sends a JSON response.
+ * @method  static void jsonp($data, $param = 'jsonp', $code = 200, $encode = true) Sends a JSONP response.
  * @method  static void error($exception) Sends an HTTP 500 response.
  * @method  static void notFound() Sends an HTTP 404 response.
+ *
+ * HTTP Caching.
  * @method  static void etag($id, $type = 'strong') Performs ETag HTTP caching.
  * @method  static void lastModified($time) Performs last modified HTTP caching.
- * @method  static void json($data, $code = 200, $encode = true) Sends a JSON response.
- * @method  static void jsonp($data, $param = 'jsonp', $code = 200, $encode = true) Sends a JSONP response.
  */
 class Flight {
     /**