* bantu/ticket/10565:
[ticket/10565] Add line breaks to query in order to follow coding guidelines.
[ticket/10565] update_forum_tracking_info(): Remove unnecessary GROUP BY clause
* ticket/10605:
[ticket/10605] Use database updater function _sql() instead of $db->sql_query()
[ticket/10605] Put end of array on its own line because start of array is too.
[ticket/10605] Add parameter documentation to phpbb_delete_user_pms
[ticket/10605] Fix left join usage.
[ticket/10605] Add a section for updating from 3.0.10 to schema updates.
[ticket/10605] Fix syntax error in database updater.
[ticket/10605] Reset user´s pm count to 0 when deleting his PMs
[ticket/10605] Split query to be able to use indexes
[ticket/10605] Rename $delete_rows to $delete_ids.
[ticket/10605] Break long comment into multiple lines 80 chars short.
[ticket/10605] Remove unnecessary $delete_ids array.
[ticket/10605] Remove unnecessary array_keys calls on $delete_rows.
[ticket/10605] Remove unused variable declarations.
[ticket/10605] Turn $undelivered_user into a real array of counters.
[ticket/10605] Use unset() instead of checking user_id over and over again.
[ticket/10605] Prefix function with phpbb_ and use true instead of 1
[ticket/10605] Delete orphan private messages on update
[ticket/10605] Check for orphan privmsgs when deleting a user
Conflicts:
phpBB/install/database_update.php
This especially also fixes the problem of the copyright symbol being
represented using 0xA9, which is neither ASCII nor the appropriate UTF8
byte sequence for the copyright symbol.
PHPBB3-10881
Fixing javascript error in side-by-side diff styling in updater:
resizing inner block instead of outer block and increasing
height by inner/outer block difference.
PHPBB3-10860
Check if the avatar directory is writeable after the installation is complete.
If it isn't, disable avatars and avatar uploading by default.
PHPBB3-10836
* nickvergessen/ticket/9089:
[ticket/9089] Add tabindex to pm/topic/post icon-options aswell
[ticket/9089] Add tabindex to PM recipient box, to allow tabbing to the subject
Used transparent background for unchanged lines
Shortened the table headers and make the background grey
Added a border between the columns
Increased the font size on pre blocks
Added Consolas as the first pre font, for Windows users
Added wordwrapping for pre blocks
PHPBB3-10819
* sadu/ticket/10561:
[ticket/10561] Removed extra tabs, changes made to $db->sql_query()
[ticket/10561] Changed $temp_style_id to $style_id
[ticket/10561] Added function desc for phpbb_style_is_active()
[ticket/10561] Casted $config['default_style'] to int
[ticket/10561] Reverted to phpbb_style_is_active()
[ticket/10561] Added to database_update:database_update_info()
[ticket/10561] Added section in database_update.php
[ticket/10561] Moved and renamed the funtion validate_style().
[ticket/10561] Fixed syntax error and renamed return variables.
[ticket/10561] Changes made to $db->sql_fetchrow().
[ticket/10561] Changes made to function phpbb_style_is_active().
[ticket/10561] All users can choose deactivated styles (fixed).
