- Added new core controller core/RESTFul_Controller.php that extends REST_Controller and partially overrides part of the latter
- Changed application/config/rest.php to keep the minimal useful set of configs
- Controllers core/APIv1_Controller, controllers/api/v1/CheckUserAuth.php and controllers/api/v1/Test.php now extend core/RESTFul_Controller
- Changed method _remap interface for core/APIv1_Controller
- Removed application/core/REST_Controller.php
- Removed application/libraries/Format.php
- Removed application/language/english/rest_controller_lang.php
Paolo