add get menu and add get list menu

from @dmassiani - dphiffer#17

Author: notslang

controllers/core.php

@@ -264,6 +264,22 @@ public function get_page_index() {
     );
   }
 
+  public function get_menu() {
+    global $json_api;
+    $menu = $json_api->introspector->get_menu();
+    return array(
+      'menu' => $menu
+    );
+  }
+
+  public function get_list_menu() {
+    global $json_api;
+    $menu = $json_api->introspector->get_list_menu();
+    return array(
+      'menus' => $menu
+    );
+  }
+
   public function get_nonce() {
     global $json_api;
     extract($json_api->query->get(array('controller', 'method')));

singletons/introspector.php

@@ -79,6 +79,19 @@ public function get_categories($args = null) {
     return $categories;
   }
 
+  public function get_menu() {
+    global $json_api;
+    extract($json_api->query->get(array('name')));
+    $items = wp_get_nav_menu_items($name);
+    return $items;
+  }
+
+  public function get_list_menu() {
+    global $json_api;
+    $menus = get_terms('nav_menu');
+    return $menus;
+  }
+
   public function get_current_post() {
     global $json_api;
     extract($json_api->query->get(array('id', 'slug', 'post_id', 'post_slug')));