Add extra log message if the client don't support acks
Add extra log message if the client don't support acks

Change-Id: Id9a461c70b8549521c56b3ae88785dd2f273d9a8
Reviewed-on: http://review.membase.org/3752
Tested-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>
Reviewed-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>

zbase/ep-engine,zbase/ep-engine,membase/ep-engine,abhinavdangeti/ep-engine,zbase/ep-engine,owendCB/ep-engine,couchbase/ep-engine,couchbaselabs/ep-engine,hisundar/ep-engine,teligent-ru/ep-engine,jimwwalker/ep-engine,membase/ep-engine,sriganes/ep-engine,sriganes/ep-engine,daverigby/ep-engine,daverigby/ep-engine,daverigby/kv_engine,daverigby/kv_engine,teligent-ru/ep-engine,daverigby/ep-engine,jimwwalker/ep-engine,teligent-ru/ep-engine,owendCB/ep-engine,jimwwalker/ep-engine,zbase/ep-engine,couchbase/ep-engine,teligent-ru/ep-engine,membase/ep-engine,abhinavdangeti/ep-engine,owendCB/ep-engine,couchbaselabs/ep-engine,daverigby/kv_engine,couchbase/ep-engine,couchbaselabs/ep-engine,hisundar/ep-engine,owendCB/ep-engine,abhinavdangeti/ep-engine,daverigby/kv_engine,couchbaselabs/ep-engine,jimwwalker/ep-engine,hisundar/ep-engine,couchbase/ep-engine,abhinavdangeti/ep-engine,abhinavdangeti/ep-engine,sriganes/ep-engine,sriganes/ep-engine,hisundar/ep-engine,couchbaselabs/ep-engine,membase/ep-engine,daverigby/ep-engine,zbase/ep-engine