Merge pull request #5813 from craue/code-cleanup

core/API/DocumentationGenerator.php

core/API/Proxy.php

core/API/Request.php

core/API/ResponseBuilder.php

core/ArchiveProcessor/Rules.php

core/Common.php

core/CronArchive.php

core/DataAccess/ArchivePurger.php

core/DataAccess/ArchiveSelector.php

core/DataAccess/ArchiveTableCreator.php

core/DataAccess/ArchiveWriter.php

core/DataAccess/LogAggregator.php

core/DataArray.php

core/DataTable.php

core/DataTable/Filter/ColumnCallbackAddColumnQuotient.php

core/DataTable/Filter/ColumnCallbackReplace.php

core/DataTable/Filter/Pattern.php

core/DataTable/Filter/ReplaceColumnNames.php

core/DataTable/Map.php

core/DataTable/Renderer.php