don't install `libev-dev` on travis, gevent 1.x includes a copy inside it
don't install `libev-dev` on travis, gevent 1.x includes a copy inside it

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