- Changed helper and language autoload

- Changed language config
- Removed never used constants
- Changed rest_language in rest config file
- Adapted models that where extending FHC_Model
- Adapted code to load hlp_return_object
- Adapted code to use exit status codes constants

application/config/autoload.php

@@ -83,8 +83,7 @@ $autoload['drivers'] = array();
 |
 |	$autoload['helper'] = array('url', 'file');
 */
-//$autoload['helper'] = array();
-$autoload['helper'] = array('url', 'language', 'hlp_session');
+$autoload['helper'] = array('url');
 
 /*
 | -------------------------------------------------------------------
@@ -112,7 +111,7 @@ $autoload['config'] = array();
 | "codeigniter_lang.php" would be referenced as array('codeigniter');
 |
 */
-$autoload['language'] = array('fhcomplete');
+$autoload['language'] = array();
 
 /*
 | -------------------------------------------------------------------