Merge branch 'patch-29' into 'master'

read_repository scope can be used for API

See merge request gitlab-org/gitlab-ce!29663

config/locales/doorkeeper.en.yml

@@ -73,7 +73,7 @@ en:
       read_user:
         Grants read-only access to the authenticated user's profile through the /user API endpoint, which includes username, public email, and full name. Also grants access to read-only API endpoints under /users.
       read_repository:
-        Grants read-only access to repositories on private projects using Git-over-HTTP (not using the API).
+        Grants read-only access to repositories on private projects using Git-over-HTTP or the Repository Files API.
       write_repository:
         Grants read-write access to repositories on private projects using Git-over-HTTP (not using the API).
       read_registry: