[ticket/12332] Fix displaying attachments with long file names

PHPBB3-12332
[ticket/12332] Remove width sizing, as it is already set

PHPBB3-12332
[ticket/12332] Accomplish all word creaking in template and CSS

PHPBB3-12332
[ticket/12332] Add break-word to fixed width table CSS

This ensures long words break and remain within the table cell

PHPBB3-12332
[ticket/12332] Restore some changes back to original state

PHPBB3-12332
[ticket/12332] Adjust column widths for responsive changes

PHPBB3-12332
[ticket/12332] Adjust size of mark column where too wide

PHPBB3-12332
[ticket/12332] Add missing semicolon to inline styling

PHPBB3-12332
[prep-release-3.1.0-b3] Update version to 3.1.0-b3
[prep-release-3.1.0-b3] Add migration for 3.1.0-b3
[ticket/12415] Use private message instead of "pm" accronym

https://tracker.phpbb.com/browse/PHPBB3-12415

PHPBB3-12415
[prep-release-3.1.0-b3] Prepare Changelog
[prep-release-3.1.0-b3] Add changelog for 3.1.0-b3
[ticket/12498] Adds height-property for IE8 in tweaks.css

PHPBB3-12498
[prep-release-3.1.0-b3] Update phpBB Version for b4 development
Merge branch 'prep-release-3.1.0-b3' into develop-ascraeus

* prep-release-3.1.0-b3:
  [prep-release-3.1.0-b3] Update phpBB Version for b4 development
  [prep-release-3.1.0-b3] Add changelog for 3.1.0-b3
  [prep-release-3.1.0-b3] Prepare Changelog
  [prep-release-3.1.0-b3] Add migration for 3.1.0-b3
  [prep-release-3.1.0-b3] Update version to 3.1.0-b3
[ticket/12499] Incorrect call to phpbb\log\log::add() in db:migrate

https://tracker.phpbb.com/browse/PHPBB3-12499

PHPBB3-12499
Merge pull request #2407 from Nicofuma/ticket/12499

[ticket/12499] Incorrect call to phpbb\log\log::add() in db:migrate

* Nicofuma/ticket/12499:
  [ticket/12499] Incorrect call to phpbb\log\log::add() in db:migrate
Merge remote-tracking branch 'MGaetan89/ticket/12415' into develop-ascraeus

* MGaetan89/ticket/12415:
  [ticket/12415] Use private message instead of "pm" accronym
[ticket/12491] Fix clashing USERNAME_FULL template variable.

The user notes and user warn pages have a variable with the same name.

PHPBB3-12491