Moxi returns END when key with getl is not found
Moxi returns END when key with getl is not found

ep-engine returns NOT_FOUND when getl is done with non-existent key but moxi converts
the NOT_FOUND to END and send END to client

Change-Id: Ib1114094064e1bb7cc9ae42e412f3ab3a934fe0c
Reviewed-on: http://review.couchbase.org/9551
Reviewed-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>
Tested-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>

couchbase/moxi,zbase/moxi,zbase/moxi,membase/moxi,couchbase/moxi,membase/moxi,membase/moxi,couchbase/moxi,zbase/moxi,zbase/moxi,membase/moxi,zbase/moxi,couchbase/moxi,couchbase/moxi,membase/moxi,membase/moxi,couchbase/moxi