Merge pull request Tmeister#43 from DemonVex/develop

* Fix syntax error for shorthand array on PHP versions lower than 5.4

Author: Tmeister

public/class-jwt-auth-public.php

@@ -72,10 +72,10 @@ public function __construct($plugin_name, $version)
      */
     public function add_api_routes()
     {
-        register_rest_route($this->namespace, 'token', [
+        register_rest_route($this->namespace, 'token', array(
             'methods' => 'POST',
             'callback' => array($this, 'generate_token'),
-        ]);
+        ));
 
         register_rest_route($this->namespace, 'token/validate', array(
             'methods' => 'POST',