[ticket/12638] Use require if phpbb_require_updated isn't available

PHPBB3-12638
[ticket/12699] Add tab key to keymap

PHPBB3-12699
[ticket/12705] Break calling make_clickable with a different server_url

PHPBB3-12705
[ticket/12705] Store the regular expression matches based on server_url

PHPBB3-12705
[ticket/12715] Cleanup comments in \phpbb\auth\provider\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\avatar\driver\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\cache\driver\*

PHPBB3-12715
[ticket/12715] Update console command cache:purge comments

PHPBB3-12715
[ticket/12715] Update console command config:* comments

PHPBB3-12715
[ticket/12715] Update console command cron:* comments

PHPBB3-12715
[ticket/12712] Remove unneeded GROUP BY clause to fix query for mssql

PHPBB3-12712
Merge pull request #2599 from marc1706/ticket/12712

[ticket/12712] Add user_password to GROUP BY clause to fix query for mssql

* marc1706/ticket/12712:
  [ticket/12712] Remove unneeded GROUP BY clause to fix query for mssql
[ticket/12715] Cleanup comments in \phpbb\controller\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\cron\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\db\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\di\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\extension\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\feed\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\groupposition\*

PHPBB3-12715
[ticket/12715] Cleanup comments in \phpbb\lock\*

PHPBB3-12715