Make the output from the ep-engine simpler

Change-Id: Ib12a09baa2507576a1442ff791c1fe1fd8eac4c1
Reviewed-on: http://review.couchbase.org/35446
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>