Merge pull request #270 from DemandCube/develop/smorin

Script changes to improve output readability and detection of java
refractor and move zookeeper wrapper service to its own project
kafka load testing with different properties values
Merge pull request #284 from louzar/master

kafka load testing with different properties values
Update README.md
Merge branch 'master' into develop/smorin

merging in changes from the master branch