[ticket/13988] Use absolute path for image attachments in feeds
* Zoddo/ticket/13988:
[ticket/13988] Update tests
[ticket/13988] Use absolute path for image attachments in feeds
[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
...
An event to capture overwriting, and another to capture deletion.
Includes better error processing. Replaced global by dependency injection.
Fix Travis tests.
PHPBB3-13981
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