[ticket/10899] Using Delete All in log viewer with keyword search

https://tracker.phpbb.com/browse/PHPBB3-10899

PHPBB3-10899
[ticket/10899] Refactoring in \phpbb\log\log_interface

PHPBB3-10899
[ticket/10899] Typo

PHPBB3-10899
[ticket/10899] Remove extra ';'

PHPBB3-10899
[ticket/10899] Get $phpbb_log from the container

PHPBB3-10899
[ticket/10899] Add unit tests

PHPBB3-10899
[ticket/10899] Fix typo in the class name

PHPBB3-10899
[ticket/10899] Remove trailing ;

PHPBB3-10899
[ticket/10899] Add event core.delete_log

PHPBB3-10899
[ticket/10899] Use isset($field_value['IN'])

PHPBB3-10899
[ticket/10899] Update doc block

PHPBB3-10899
Merge pull request #2433 from Nicofuma/ticket/10899

[ticket/10899] Using Delete All in log viewer with keyword search

* Nicofuma/ticket/10899:
  [ticket/10899] Update doc block
  [ticket/10899] Use isset($field_value['IN'])
  [ticket/10899] Add event core.delete_log
  [ticket/10899] Remove trailing ;
  [ticket/10899] Fix typo in the class name
  [ticket/10899] Add unit tests
  [ticket/10899] Get $phpbb_log from the container
  [ticket/10899] Remove extra ';'
  [ticket/10899] Typo
  [ticket/10899] Refactoring in \phpbb\log\log_interface
  [ticket/10899] Using Delete All in log viewer with keyword search