Issue #1981336 by aspilicious, andypost, swentel, amateescu: Drop procedural usage of fields in [t*] modules.
Issue #1620010 by dawehner, ParisLiakos, plach, jibran: Move LANGUAGE constants to the Language class.
Issue #1818560 by Berdir, fago, Wim Leers, jessebeach, dawehner, YesCT: Convert taxonomy entities to the new Entity Field API.
Issue #1852966 by yched, Stalski, zuuperman, swentel: Rework entity display settings around EntityDisplay config entity.
Revert "Issue #1852966 by yched, swentel: Rework entity display settings around EntityDisplay config entity." This reverts commit 8ad67af2.
Issue #1852966 by yched, swentel: Rework entity display settings around EntityDisplay config entity.
Issue #1552396 by andypost, sun, tim.plunkett, amateescu, YesCT: Convert vocabularies into configuration.
