[ticket/13251] Escape container parameters defined from config.php.

PHPBB3-13251
[ticket/13300] Don't show jabber in profile if jabber is disabled

PHPBB3-13300
Merge pull request #3121 from Elsensee/ticket/13300

[ticket/13300] Don't show jabber in profile if jabber is disabled
Merge pull request #3113 from prototech/ticket/13251

[ticket/13251] Escape container parameters defined from config.php.