MB-12574: Temporarily back up forestdb and goforestdb

Change-Id: Id2e484db3d10f8622c9d626825cd6975e8cd21c0
Reviewed-on: http://review.couchbase.org/42948
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Chris Hillery <ceej@couchbase.com>