remove system.exit(1) from cluster-setup#main()
HELIX-84: Add example/documentation/recipe on how to generate ideal-state programmatically
HELIX-86: add test case for helix-agent
fix pom.xml and testng.xml for helix-agent test
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-helix