[ticket/11480] PM : "Unknown folder" returned when inbox folder is full

https://tracker.phpbb.com/browse/PHPBB3-11480

PHPBB3-11480
[ticket/12492] Add support of special chars

Add support of special chars during db test in the installation

PHPBB3-12492
[ticket/11480] Add functionnal test

PHPBB3-11480
[ticket/11480] Fix typos

PHPBB3-11480
[ticket/12448] Allow null as default value for columns

PHPBB3-12448
[ticket/12448] Fix null columns for postgres

PHPBB3-12448
[ticket/12448] Fix null columns for MS SQL

PHPBB3-12448
[ticket/11480] Fix the double spaces in phpbb_functional_test_case

PHPBB3-11480
[ticket/12801] Add topic_poster to load_drafts' topics query

PHPBB3-12801
[ticket/12800] core.functions_display.display_user_activity.actives_after

Adding core.functions_display.display_user_activity.actives_after

PHPBB3-12800
[ticket/12801] Add core.functions_posting.load_drafts_draft_list_results

Adding event core.functions_posting.load_drafts_draft_list_results

PHPBB3-12801
[ticket/12791] String profile fields do not use links ...

smilies and line breaks in memberlist

The value is overwritten with the contact value
Added aditional check if the field is a contact so we don't overwrite it.

PHPBB3-12791
[ticket/12791] Changed the if check

Removed unneeded variable

PHPBB3-12791
[ticket/12793] String '0' does not display for string profile fields

See https://github.com/phpbb/phpbb/pull/2647#discussion_r14503051

PHPBB3-12793
[ticket/12793] Changing get_profile_contact_value to get_profile_value_raw

Changing the return to get_profile_value_raw

PHPBB3-12793
[ticket/12793] Tests (added and changed)

changed behavieur of 0 as in and added 0 as string test

PHPBB3-12793
[ticket/12861] Add event to modify the post, poster and attachment data

PHPBB3-12861
[ticket/12857] Add template events breadcrumbs_before/after

PHPBB3-12857
[ticket/12857] Add missing template events breadcrumb_prepend

To insert links after site-home

PHPBB3-12857
[ticket/12656] Pass user object into all console commands.

PHPBB3-12656