Issue #2409701 by tstoeckler, Leksat, Schnitzel, _nolocation, Gábor Hojtsy, xjm: Field storage configuration is not exposed to config translation UI

Issue #2204697 by alexpott, tstoeckler, mauzeh, Berdir: Move getConfigPrefix() to ConfigEntityTypeInterface

Issue #2225427 by ianthomas_uk, martin107, JeroenT, LoMo: Remove remaining uses of deprecated language functions (mostly in object oriented code)

Issue #2347465 by tim.plunkett, dawehner, cilefen: Convert all instances of #type link/links to convert to use routes.

Issue #2260121 by sun: PHPUnit Tests namespace of modules is ambiguous with regular runtime namespace (+ Simpletest tests).

Issue #2271005 by martin107, YesCT, alimac, mrjmd: Rename Language module's LanguageInterface to ConfigurableLanguageInterface and Language to ConfigurableLanguage.

Issue #2300829 by Jose Reyero: Fixed Clean up LocaleConfigManager / TypedConfigManager features and cache duplications.

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2271967 by Jose Reyero, alexpott, amitgoyal: Fixed and use TypedConfigManagerInterface/TypedConfigManager.

Issue #2158571 by tstoeckler, dawehner, kgoel, tim.plunkett, catch, effulgentsia: Routes added in RouteSubscribers cannot be altered.

Issue #2005716 by tim.plunkett, msonnabaum, dawehner, alexpott, effulgentsia: Promote EntityType to a domain object.

Issue #1952394 by vijaycs85, tstoeckler, webflo, Gábor Hojtsy, Schnitzel, falcon03, YesCT, kfritsche, Ryan Weal, dagmita, likin, toddtomlinson, nonsie, Kristen Pol, dawehner, tim.plunkett, penyaskito, EclipseGC, larowlan, robertdbailey, helenkim, David Hernández, EllaTheHarpy, lazysoundsystem, juanolalla, R.Hendel, Kartagis: Add configuration translation user interface module.