updated to rc3 and added core patch needed for VDE

Author: balsama

drupal-org-core.make.yml

@@ -4,7 +4,8 @@ core: 8.x
 projects:
   drupal:
     type: core
-    version: 8.0.0-rc2
+    version: 8.0.0-rc3
     patch:
-      # Allow install profiles to change the system requirements
-      - https://www.drupal.org/files/issues/1772316-34.patch
+      # Pass views config options to Rest Export serializer.
+      2568413: https://www.drupal.org/files/issues/2568413-28_0.patch
+