Update interfaces to reflect spawn addition.
Update interfaces to reflect spawn addition.

bsanders/kazoo,tempbottle/kazoo,rockerbox/kazoo,python-zk/kazoo,bsanders/kazoo,max0d41/kazoo,harlowja/kazoo,rgs1/kazoo,rgs1/kazoo,AlexanderplUs/kazoo,kormat/kazoo,jacksontj/kazoo,rockerbox/kazoo,AlexanderplUs/kazoo,max0d41/kazoo,harlowja/kazoo,rackerlabs/kazoo,python-zk/kazoo,tempbottle/kazoo,rackerlabs/kazoo,jacksontj/kazoo,pombredanne/kazoo,kormat/kazoo,Asana/kazoo,pombredanne/kazoo