Issue #2708179 by anoopjohn: Fix 'Drupal.Commenting.FunctionComment' coding standard - Issues related to @throws
Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits
Issue #2224887 by alexpott, Berdir, Gábor Hojtsy, Jalandhar: Language configuration overrides should have their own storage.
