Use my own ep-engine

Change-Id: I95e1e7e01eb141089b6d0816e65b92494bfca598
Reviewed-on: http://review.couchbase.org/29451
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>