Issue #2183113 by jhodgdon, effulgentsia, tim.plunkett, herom, larowlan: Update hook_help signature to use route_name instead of path.

Issue #2011122 by hussainweb, kgoel, chrisjlee: Replace drupal_container() with injected services in the rest module.

Issue #1909178 by wiifm: Fixed Cleanup the administration screen and add better help on admin/config/services/rest.

Issue #1858676 by heyrocker, sun, Damien Tournoud: Fixed Rest module config is named improperly and no default config is supplied.

Issue #1801570 by effulgentsia, klausi, Crell, disasm: DX: Replace hook_route_info() with YAML files and RouteBuildEvent.