MB-11816: Use all-nodes per spec

Change-Id: I93a7c359d96c3ae23f3529e5ec1bac6689e2d970
Reviewed-on: http://review.couchbase.org/39848
Reviewed-by: Bin Cui <bin.cui@gmail.com>
Tested-by: Bin Cui <bin.cui@gmail.com>