Issue #2625512 by heykarthikwithu, Mac_Weber, Wim Leers: Add @param, @return in the code base for the editor module

Issue #2313757 by Berdir, Wim Leers, dawehner: Remove text_processing option from text fields, expose existing string field types as plain text in UI.

Issue #2143291 by plach, alexpott, xjm, effulgentsia, pwolanin, swentel | yched: Clarify handling of field translatability.

Issue #2263351 by Wim Leers: Text Editor's in-place editing plugin broke in-place editing at large due to PHP fatal.

Issue #2030605 by tim.plunkett, mr.baileys, webwarrior, Wim Leers | plopesc: Expand Editor with methods.

Issue #2203407 by nod_, sun: Replace #attached library array values with provider-namespaced strings.

Issue #2099741 by Wim Leers, wwalc, mr.baileys, eaton, dstol, nod_, effulgentsia: Protect WYSIWYG Editors from XSS Without Destroying User Data.

Issue #2184315 by Wim Leers: Move filter_get_filter_types_by_format() and filter_get_html_restrictions_by_format() onto FilterFormatInterface.

Issue #2144879 by Wim Leers, yched: Brush up MetadataGeneratorInterface::generate(Field|Entity)(): use FieldItemListInterface + better naming.

Issue #2133907 by Wim Leers: Clean up Edit's in-place editors: consistent naming, library naming and file naming.

Issue #2062171 by Garbar, m1r1k: Remove calls to deprecated global  in favor of current user service in editor module.

Issue #2032393 by effulgentsia: Limit APIs to FieldDefinitionInterface when FieldInstance isn't needed.

Issue #2003616 by DmitryDrozdik, ebeyrent: Replace drupal_container() with Drupal::service() in the editor module.

Issue #2006278 by Wim Leers: Remove leftover 'module' annotation keys and plugin manager processDefinition() to deal with disabled modules during tests.

Issue #1391694 by tim.plunkett, aspilicious, fago, pounard, plach, Crell, msonnabaum, tstoeckler: Use type-hinting for entity-parameters.

Issue #1886566 by Wim Leers, sun, effulgentsia, quicksketch: Make WYSIWYG editors available for in-place editing.