Issue #2993642 by AdamPS, Pancho, jonathanshaw: Mechanism to disable preprocessing of base fields in taxonomy and aggregator entity types so they can be configured via the field UI

Issue #2644718 by kmonty, gvso, leolando.tan, Cottser, mmatsoo: Ensure Twig delimiters have correct inner spacing

Issue #2489664 by sumitmadan, davidhernandez, Manjit.Singh, Cottser: Remove unnecessary markup from core templates, a.k.a. divitis

Issue #2329775 by lauriii | davidhernandez: Move taxonomy term classes from preprocess to templates.

Issue #2114563 by joelpittet, martin107, Cottser: Remove TwigReference with the help of 'without' filter replacing 'show'/'hide' functions.

Issue #2013094 by pwieck, Cottser: Remove unnecessary template_preprocess() reference from all Twig files

Issue #1898460 by pixelmord, bstoppel, steveoliver, jenlampton, johnnygamba, jastraat, Cottser, lbainbridge, myke, thedavidmeister, c4rl, joelpittet, ezeedub: Convert taxonomy module to Twig.

Issue #1818560 by Berdir, fago, Wim Leers, jessebeach, dawehner, YesCT: Convert taxonomy entities to the new Entity Field API.

Issue #1760530 by jenlampton, Albert Volkman, crazyrohila, Risse, justafish, Fabianx: Move all template files provided by core modules and themes into a 'templates' directory inside that module directory.