turning on query strings, the oauth actions have variables on the URL…

… after the ? and CI doesn't support this by default

src/system/application/config/config.php.dist

@@ -197,7 +197,7 @@ $config['permitted_uri_chars'] = 'a-z 0-9~%.:_\-=';
 | use segment based URLs.
 |
 */
-$config['enable_query_strings'] = FALSE;
+$config['enable_query_strings'] = TRUE;
 $config['directory_trigger'] = 'd';	 // experimental not currently in use
 $config['controller_trigger'] = 'c';
 $config['function_trigger'] = 'm';