MB-9127:  add override manifests for 2.2.1 release

Change-Id: I72a671aa5a93b9624cd5d55c8b88328489048941
Reviewed-on: http://review.couchbase.org/29013
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>