Fix installation and user registration bugs

git-svn-id: file:///svn/phpbb/trunk@6156 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/install/install_install.php

@@ -1478,6 +1478,7 @@ class install_install extends module
 				'user_email'		=> '',
 				'user_lang'			=> $language,
 				'user_style'		=> 1,
+				'user_timezone'		=> 0,
 				'user_dateformat'	=> $lang['default_dateformat'],
 			);