time.sleep replaced with eventlet.sleep
time.sleep replaced with eventlet.sleep

Change-Id: Ib0757605fc3ae7f5dea34f291e0bfd5107beca9c

redhat-openstack/sahara,zhujzhuo/Sahara,henaras/sahara,mapr/sahara,zhangjunli177/sahara,egafford/sahara,citrix-openstack-build/sahara,zhangjunli177/sahara,tellesnobrega/sahara,rnirmal/savanna,crobby/sahara,keedio/sahara,tellesnobrega/sahara,crobby/sahara,matips/iosr-2015,mapr/sahara,zhujzhuo/Sahara,ekasitk/sahara,egafford/sahara,esikachev/scenario,henaras/sahara,keedio/sahara,esikachev/sahara-backup,tellesnobrega/storm_plugin,redhat-openstack/sahara,zhangjunli177/sahara,ekasitk/sahara,matips/iosr-2015,rnirmal/savanna,tellesnobrega/storm_plugin,bigfootproject/sahara,esikachev/scenario,xme1226/sahara,redhat-openstack/sahara,esikachev/sahara-backup,esikachev/scenario,xme1226/sahara,mapr/sahara,openstack/sahara,henaras/sahara,crobby/sahara,citrix-openstack-build/sahara,bigfootproject/sahara,zhujzhuo/Sahara,matips/iosr-2015,ekasitk/sahara,citrix-openstack-build/sahara,tellesnobrega/storm_plugin,esikachev/sahara-backup,keedio/sahara,xme1226/sahara,openstack/sahara,bigfootproject/sahara