Upgrade Zookeeper to version 3.4.8
Upgrade Zookeeper to version 3.4.8

dhirajsb/fabric8,chirino/fabric8v2,rhuss/fabric8,dhirajsb/fabric8,rhuss/fabric8,chirino/fabric8v2,KurtStam/fabric8,rhuss/fabric8,rhuss/fabric8,zmhassan/fabric8,KurtStam/fabric8,chirino/fabric8v2,KurtStam/fabric8,KurtStam/fabric8,zmhassan/fabric8,chirino/fabric8v2,dhirajsb/fabric8,zmhassan/fabric8,zmhassan/fabric8,dhirajsb/fabric8