Extension:ContentTranslation/cx notification log table

mysql> describe cx_notification_log; +-+---+--+-+-++ +-+---+--+-+-++ +-+---+--+-+-++
 * Field      | Type          | Null | Key | Default | Extra          |
 * cxn_id     | int(11)       | NO   | PRI | NULL    | auto_increment |
 * cxn_date   | varbinary(14) | NO   |     | NULL    |                |
 * cxn_newest | varbinary(14) | NO   |     | NULL    |                |
 * cxn_wiki_id | varbinary(64) | YES | MUL | NULL    |                |