Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2463417 by rpayanm, cilefen, hussainweb: Clean-up remaining test members in module tests - ensure property definition and use of camelCase naming convention

Issue #2336177 by alexpott, YesCT: Fixed ConfigurableLanguage cannot be created/removed directly, integrate language_save() and language_delete().

Issue #2271349 by Berdir, Arla, blueminds, larowlan, Dave Reid: Node and Comment ops links should be display components (which can be disabled).

Issue #2218065 by jhodgdon, dawehner: Fixed Need to join fields to the entity field data tables, not entity tables, or filtering increases number of results.