Issue #2355909 by penyaskito, alexpott, Gábor Hojtsy, DuaelFr: language.settings config is not scalable

Issue #2100343 by Berdir, fago, martin107, visabhishek, sriharsha.uppuluri, Yorirou: Remove 'fieldable' key in entity definitions in favour of 'field_ui_base_route'.

Issue #2345793 by tim.plunkett | xjm: Entities should provide a method for a properly generated link to the entity.

Issue #2303521 by swentel, larowlan | alexpott: Fixed CommentTypeForm allows the entity type to be changed.

Issue #2286433 by ParisLiakos: Fixed CommentTypeForm and CommentTypeDeleteForm should typehint the PSR logger interface.

Issue #2256679 by alexpott, tim.plunkett: Fixed Use config schema to determine which config entity properties to export regardless of whether they are public or protected.

Issue #2228763 by larowlan, alexpott, martin107, jessebeach, xjm: Create a comment-type config entity and use that as comment bundles, require selection in field settings form.