Fix for possible multi-threading bottleneck in ICU driver.
Fix for possible multi-threading bottleneck in ICU driver.

git-svn-id: f1325d765b86db8550d2145f7bc93fd34e7a3d5a@687438 13f79535-47bb-0310-9956-ffa450edef68

Asquera/bigcouch,benoitc/bigcouch,cloudant/bigcouch,georgemarshall/bigcouch,kofron/bigcouch,Gussy/bigcouch,andrejb/cloudant_bigcouch,davidcoallier/bigcouch,KlausTrainer/bigcouch,cloudant/bigcouch,benoitc/bigcouch,bittorrent/bigcouch,Gussy/bigcouch,linearregression/bigcouch,georgemarshall/bigcouch,fkaempfer/couchdb,breezjw/bigcouch,PerilousApricot/bigcouch,georgemarshall/bigcouch,PerilousApricot/bigcouch,benoitc/bigcouch,benoitc/bigcouch,fkaempfer/couchdb,davidcoallier/bigcouch,benoitc/couchit_experiment,benoitc/couchit_experiment,georgemarshall/bigcouch,kofron/bigcouch,andrejb/cloudant_bigcouch,bittorrent/bigcouch,benoitc/couchit_experiment,KlausTrainer/bigcouch,breezjw/bigcouch,fkaempfer/couchdb,breezjw/bigcouch,davidcoallier/bigcouch,cloudant/bigcouch,Gussy/bigcouch,PerilousApricot/bigcouch,benoitc/bigcouch,Asquera/bigcouch,KlausTrainer/bigcouch,bittorrent/bigcouch,breezjw/bigcouch,linearregression/bigcouch,linearregression/bigcouch,linearregression/bigcouch,andrejb/cloudant_bigcouch,PerilousApricot/bigcouch,andrejb/cloudant_bigcouch,kofron/bigcouch,kofron/bigcouch,georgemarshall/bigcouch,andrejb/cloudant_bigcouch,breezjw/bigcouch,KlausTrainer/bigcouch,benoitc/couchit_experiment,andrejb/cloudant_bigcouch,KlausTrainer/bigcouch,Asquera/bigcouch,cloudant/bigcouch,fkaempfer/couchdb,Gussy/bigcouch,fkaempfer/couchdb,kofron/bigcouch,linearregression/bigcouch,benoitc/couchit_experiment,PerilousApricot/bigcouch,Gussy/bigcouch,Gussy/bigcouch,bittorrent/bigcouch,cloudant/bigcouch,bittorrent/bigcouch,cloudant/bigcouch,kofron/bigcouch,PerilousApricot/bigcouch,linearregression/bigcouch,benoitc/bigcouch,linearregression/bigcouch,Asquera/bigcouch,davidcoallier/bigcouch,Asquera/bigcouch,georgemarshall/bigcouch,davidcoallier/bigcouch,KlausTrainer/bigcouch,davidcoallier/bigcouch,andrejb/cloudant_bigcouch,cloudant/bigcouch,Asquera/bigcouch,bittorrent/bigcouch,breezjw/bigcouch,fkaempfer/couchdb