Revert use of spawn_monitor
Revert use of spawn_monitor

As Filipe correctly points out, we want the parent to die if the child dies.

andrejb/cloudant_bigcouch,cloudant/bigcouch,linearregression/bigcouch,Asquera/bigcouch,cloudant/bigcouch,kofron/bigcouch,PerilousApricot/bigcouch,linearregression/bigcouch,kofron/bigcouch,Asquera/bigcouch,andrejb/cloudant_bigcouch,kofron/bigcouch,breezjw/bigcouch,Asquera/bigcouch,linearregression/bigcouch,georgemarshall/bigcouch,georgemarshall/bigcouch,breezjw/bigcouch,cloudant/bigcouch,cloudant/bigcouch,kofron/bigcouch,cloudant/bigcouch,PerilousApricot/bigcouch,PerilousApricot/bigcouch,andrejb/cloudant_bigcouch,georgemarshall/bigcouch,PerilousApricot/bigcouch,Asquera/bigcouch,breezjw/bigcouch,breezjw/bigcouch,Asquera/bigcouch,andrejb/cloudant_bigcouch,linearregression/bigcouch,PerilousApricot/bigcouch,linearregression/bigcouch,kofron/bigcouch,andrejb/cloudant_bigcouch,breezjw/bigcouch,linearregression/bigcouch,georgemarshall/bigcouch,linearregression/bigcouch,andrejb/cloudant_bigcouch,cloudant/bigcouch,georgemarshall/bigcouch,breezjw/bigcouch,cloudant/bigcouch,andrejb/cloudant_bigcouch,kofron/bigcouch,georgemarshall/bigcouch,Asquera/bigcouch,PerilousApricot/bigcouch