Increase the logging during shutdown
Increase the logging during shutdown

This would potentially help out debugging shutdown problems

Change-Id: Ia198d2a4f1ed585b28419e4614ce9d25652b2d09
Reviewed-on: http://review.couchbase.org/60021
Reviewed-by: Jim Walker <1cd02e31b43620d7c664e038ca42a060d61727b9@couchbase.com>
Reviewed-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

couchbase/memcached,owendCB/memcached,daverigby/kv_engine,daverigby/kv_engine,daverigby/memcached,daverigby/kv_engine,daverigby/kv_engine,couchbase/memcached,daverigby/memcached,owendCB/memcached,couchbase/memcached,owendCB/memcached,daverigby/memcached,owendCB/memcached,daverigby/memcached,couchbase/memcached