Done.

core/ArchiveProcessor/Period.php

core/DataTable.php

core/DataTable/Filter/AddSummaryRow.php

core/DataTable/Filter/GroupBy.php

core/DataTable/Filter/Limit.php

core/DataTable/Row.php

core/DataTable/Row/DataTableSummaryRow.php

core/Plugin/Visualization.php

plugins/Actions/Archiver.php

plugins/UserSettings/API.php

tests/PHPUnit/BaseFixture.php

tests/PHPUnit/Core/DataTable/Filter/LimitTest.php