[ticket/14992] Change how index length is checked
[ticket/14992] Remove duplicates from user_notifications table
[ticket/14992] Add unique index to user_notifications table
[ticket/14992] Shorten unique index name
[ticket/14992] Shorten another index for user notifications
[ticket/11875] Use 4-byte integer instead of 3-byte integer for ID columns
* marc1706/ticket/11875:
[ticket/11875] Add back new line
[ticket/11875] Change more columns to use UINT and add missings ones
[ticket/11875] Add migration file
[ticket/11875] Recreate schemas for install
[ticket/11875] Create new map for UNSIGNED 4-byte integer
[ticket/11875] Upgrade default data type from MEDIUMINT to INT
[ticket/11875] Set default data type from MEDIUMINT (3byte) to INT(10) (4byte)
Conflicts:
phpBB/includes/db/schema_data.php
phpBB/install/schemas/mysql_40_schema.sql
phpBB/install/schemas/mysql_41_schema.sql
phpBB/install/schemas/oracle_schema.sql
phpBB/install/schemas/postgres_schema.sql
phpBB/phpbb/db/tools/tools.php
