[ticket/11699] Exclude build/new_version and build/old_versions from lint.

PHPBB3-11699
[ticket/11699] Properly exclude the .git directory. Namely missing dot prefix.

PHPBB3-11699
[ticket/11699] Also exclude the phpBB/cache directory.

PHPBB3-11699
[ticket/12050] Make phpbb_notification_submit_post_base abstract.

PHPBB3-12050
[ticket/11346] Hide "Mark topics read" link when forum is empty.

TOTAL_POSTS and TOTAL_USERS are not defined for viewforum.php.

PHPBB3-11346
[ticket/12048] Fix the regexp for language keys in custom bbcodes.

PHPBB3-12048
Merge remote-tracking branch 'prototech/ticket/12048' into develop-olympus

* prototech/ticket/12048:
  [ticket/12048] Fix the regexp for language keys in custom bbcodes.
Merge branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/12048] Fix the regexp for language keys in custom bbcodes.
Merge remote-tracking branch 'prototech/ticket/11346' into develop

* prototech/ticket/11346:
  [ticket/11346] Hide "Mark topics read" link when forum is empty.
Merge remote-tracking branch 'bantu/ticket/12050' into develop

* bantu/ticket/12050:
  [ticket/12050] Make phpbb_notification_submit_post_base abstract.
Merge remote-tracking branch 'bantu/ticket/11699' into develop-olympus

* bantu/ticket/11699:
  [ticket/11699] Also exclude the phpBB/cache directory.
  [ticket/11699] Properly exclude the .git directory. Namely missing dot prefix.
  [ticket/11699] Exclude build/new_version and build/old_versions from lint.
Merge branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/11699] Also exclude the phpBB/cache directory.
  [ticket/11699] Properly exclude the .git directory. Namely missing dot prefix.
  [ticket/11699] Exclude build/new_version and build/old_versions from lint.
[ticket/11768] Updated s9e\TextFormatter

PHPBB3-11768
[ticket/11768] Merge branch 'develop' of github.com:phpbb/phpbb into ticket/11768

PHPBB3-11768