[ticket/12143] Make it possible to use translated group names for non-special groups
* Elsensee/ticket/12143:
[ticket/12143] Fix tests after rebase
[ticket/12143] Avoid no output from get_group_name()
[ticket/12143] Fix those tests
[ticket/12143] Add some tests
[ticket/12143] Oops, fixed array index
[ticket/12143] Replace group name output
[ticket/12143] Add group helper class to translate groupnames
[ticket/12143] Add is_set method to language service
[ticket/13935] Allow more admin-configurable schemes in post links
* s9e/ticket/13935:
[ticket/13935] Removed cache invalidation from acp_board
[ticket/13935] Removed UI
[ticket/13935] Allow more admin-configurable schemes in post links
[ticket/13740] Refactoring installer
* CHItA/ticket/13740: (75 commits)
[ticket/13740] Reduce number of references in nav provider
[ticket/13740] Move handle_language_select calls to the controllers
[ticket/13740] Fix infinite config.php check loop
[ticket/13740] Move default data settings out of constructors
[ticket/13740] Deduplicate container builder's checks
[ticket/13740] Use JSON for installer config
[ticket/13740] Fix comment
[ticket/13740] Use language service in console application
[ticket/13740] Fix CS in compatibilty_globals.php
[ticket/13740] Fix message element creation in JS
[ticket/13740] Replace more spaces with tabs
[ticket/13740] Fix CS
[ticket/13740] Filter basic directory change attempts in lang change
[ticket/13740] Use tabs instead of spaces in JS file
[ticket/13740] Add success message when install finished
[ticket/13740] Fix $script_path in obtain_data
[ticket/13740] Fix is_phpbb_installed() method
[ticket/13740] Login admin when install finished
[ticket/13740] Enhance server output buffer bypass
[ticket/13740] Secure installer config against corrupted config data
...
Currently the in-board method for the notifications is hardcoded and
cannot be disabled. This method should be in his own class extending
`phpbb\notification\method\method_interface`.
It also add the possibility, for each method, to be enabled by default (ie:
no entry in the DB => notification enabled).
https://tracker.phpbb.com/browse/PHPBB3-11444https://tracker.phpbb.com/browse/PHPBB3-11967
PHPBB3-11444
