[ticket/10729] Update post_edit_user when user being deleted

PHPBB3-10729
[ticket/10729] Update message_edit_user when user being deleted

PHPBB3-10729
Merge branch 'ticket/10729' into ticket/10729-2

Conflicts:
	phpBB/includes/functions_user.php
[ticket/10729] Update *_delete_user when user being deleted

PHPBB3-10729
[ticket/13027] round to floor

PHPBB3-13027
[ticket/12858] Generate timezone selects with template loop

PHPBB3-12858
[ticket/12858] Use UTC for time info in footer and hide offset if it's 0

PHPBB3-12858
[ticket/12858] Remove hardcoded language entries from timezone selects

PHPBB3-12858
[ticket/12858] Fix timezone display on acp users page

PHPBB3-12858
[ticket/12858] Fix timezone select display in subsilver2

PHPBB3-12858
[ticket/12858] Rename tz_ prefixed block variables to timezone_ prefix

PHPBB3-12858
[ticket/12858] Directly return and use timezone selects

PHPBB3-12858
[ticket/13045] Remove Pragma headers

PHPBB3-13045
[ticket/13055] Add string profile fields validation options to support unicode

PHPBB3-13055
[ticket/13055] Add UTF-8 string tests for profile fields validation options

PHPBB3-13055
[ticket/12858] Properly format UTC offset in footer

PHPBB3-12858
[ticket/13080] Remove nowrap from dd in responsive

PHPBB3-13080
[ticket/13080] Fix mediaqueries formating

open { are should not to be on new lines for
media queries per spec, causes code highlight
issues in reputible code editors

PHPBB3-13080
[ticket/13082] Replace float by text-align

PHPBB3-13082
[ticket/13082] move style to css file

PHPBB3-13082