[ticket/12615] Fixed inproper clearing of .topic-actions

PHPBB3-12615
[ticket/12639] Delete entry in admin-log leads to mysql-error

PHPBB3-12639
[ticket/12639] Add a test case with an empty keywords list

PHPBB3-12639
[ticket/12639] Update tests to use a dataProvider

PHPBB3-12639
[ticket/12639] Fix tests on postgres

PHPBB3-12639
[ticket/12639] Order the results correctly in the test

PHPBB3-12639
[ticket/12639] Remove old commented tests

PHPBB3-12639
[ticket/12639] Use assertSame

PHPBB3-12639
[ticket/12602] Add files to print the cron list and test files.

PHPBB3-12602
[ticket/12541] Activate attachments tab when files are dropped into textarea

PHPBB3-12541
[ticket/12565] Empty anchors introduce white-space in IE11

PHPBB3-12565
[ticket/12521] Fix MCP merge topics row overflow

PHPBB3-12521
[ticket/12602] Correction of the output message for the cron list

PHPBB3-12602
[ticket/12602] Add function get_tasks.

PHPBB3-12602
[ticket/12602] Cleanup tests

PHPBB3-12602
Merge pull request #3 from Nicofuma/Stephannos-ticket/12602

[ticket/12602] Cleanup tests
[ticket/12639] Send a correct IN entry when deleting marked logs

PHPBB3-12639
[ticket/12639] Don't make a copy of $marked when deleting logs in acp_logs

PHPBB3-12639
[ticket/12639] Handle $conditions['keywords'] outside of the loop

PHPBB3-12639
[ticket/12457] Default to first category if none is selected in gallery avatar

If any category exists, the key() function should always return the first
key of the $avatar_list array.

PHPBB3-12457