[HELIX-7]Fix a test compile issue
[HELIX-7] fix intermittent failures
[Helix-7] tune test parameters for intermittent test failures
HELIX-50: Ensure num replicas and preference list size in idealstate matches
add missing license header
Adding a missed license header
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-helix
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-helix