MB-20053. Use global pool of workers for getting data.
MB-20053. Use global pool of workers for getting data.

Change-Id: Ie2fd64a55f2fad42a86b571bff7969b4b8df7cfb
Reviewed-on: http://review.couchbase.org/65812
Reviewed-by: Sitaram Vemulapalli <8d86a491dcdf321bac78bef141a8229a59bf9211@couchbase.com>
Tested-by: Gerald Sangudi <446f6fe420322ac611e4621119ab11e5a51daf2f@couchbase.com>

couchbase/go-couchbase