+/**
+ * Subscription action
+ *
+ * Subscribing to a profile. Likely to work for OStatus profiles.
+ *
+ * Takes parameters:
+ *
+ * - subscribeto: a profile ID
+ * - token: session token to prevent CSRF attacks
+ * - ajax: boolean; whether to return Ajax or full-browser results
+ *
+ * Only works if the current user is logged in.
+ *
+ * @category Action
+ * @package StatusNet
+ * @author Evan Prodromou <evan@status.net>
+ * @copyright 2008-2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link http://status.net/
+ */