Move all files to 2017/

2017/web/core/modules/rest/rest.routing.yml

@@ -0,0 +1,9 @@
+# @deprecated This route is deprecated, use the system.csrftoken route from the
+# system module instead.
+# @todo Remove this route in Drupal 9.0.0.
+rest.csrftoken:
+  path: '/rest/session/token'
+  defaults:
+    _controller: '\Drupal\system\Controller\CsrfTokenController::csrfToken'
+  requirements:
+    _access: 'TRUE'