2.5.0 RC4:  move ep-engine up one revision, to:
            c5065c264a7f7407cdfb23cb5a6ac9629851fd87

Change-Id: Ib15297ded1e9259d9a4ece404a1fe82a67cd0d29
Reviewed-on: http://review.couchbase.org/32820
Reviewed-by: Chiyoung Seo <chiyoung@couchbase.com>
Tested-by: Chiyoung Seo <chiyoung@couchbase.com>