Do not send noops if set to logical forever.  Bug 1665.
Do not send noops if set to logical forever.  Bug 1665.

Change-Id: I4f1d968e50057c181d328242063c526de66540a9
Reviewed-on: http://review.northscale.com/993
Reviewed-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>
Tested-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@northscale.com>

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