- updated all code to use the request class instead of any direct access to

super globals
- disabled super globals in common.php. See commit r9101 for
  more information
- cleaned up/simplified a few lines along the way.

git-svn-id: file:///svn/phpbb/trunk@9102 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/common.php

@@ -200,6 +200,9 @@ require(PHPBB_ROOT_PATH . 'includes/utf/utf_tools.' . PHP_EXT);
 // Set PHP error handler to ours
 set_error_handler(defined('PHPBB_MSG_HANDLER') ? PHPBB_MSG_HANDLER : 'msg_handler');
 
+// enforce the use of the request class
+request::disable_super_globals();
+
 // Instantiate some basic classes
 $user		= new user();
 $auth		= new auth();