[ticket/11224] SQL cache destroy does not destroy queries to tables joined

https://tracker.phpbb.com/browse/PHPBB3-11224

PHPBB3-11224
[ticket/11224] Fix returned data

PHPBB3-11224
[ticket/11224] Fix the blank line after ?>

PHPBB3-11224
[ticket/11224] Add unit test

PHPBB3-11224
[ticket/11224] Fix coding style

PHPBB3-11224
[ticket/11224] Use assertNotEquals(false) instead of assertNotFalse()

assertNotFalse() is unavailable with the version of phpunit used with php
5.2

PHPBB3-11224
[ticket/11224] Remove new line in acm_memory.php

PHPBB3-11224
[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/12993] Improve get_user_ranks

Explanation in http://area51.phpbb.com/phpBB/viewtopic.php?f=108&t=46051

PHPBB3-12993
[ticket/12993] Fix user_loader and memberlist

PHPBB3-12993
[ticket/12993] Rename to phpbb_get_user_rank

PHPBB3-12993
[ticket/12993] Fix includes of functions_display

PHPBB3-12993
[ticket/12993] Return an array instead of reference passing

PHPBB3-12993
[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