Merge branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/7778] Update all the schema files
  [ticket/7778] Add the column change to `mysql_upgrader.php`
  [ticket/7778] BBCode single limit

Conflicts:
	phpBB/install/database_update.php

phpBB/includes/constants.php

@@ -173,6 +173,9 @@ define('BBCODE_UID_LEN', 8);
 // Number of core BBCodes
 define('NUM_CORE_BBCODES', 12);
 
+// BBCode hard limit
+define('BBCODE_LIMIT', 1511);
+
 // Smiley hard limit
 define('SMILEY_LIMIT', 1000);