manifest for 2.5.0 developer preview 1

Change-Id: I578537b7be46a56c035fb8db9f5c24aa6ebc6bea
Reviewed-on: http://review.couchbase.org/31257
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>