[HELIX-55] Reading the right system parameter to set zk session timeout
HELIX-57: new File(path).getParent() is problematic on Windows platform
remove dead code
[HELIX-7] adjust some test parameters
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-helix
Adding presentation links
HELIX-67: add support for batch message wrapper
HELIX-48: use resource instead of db in output messages
HELIX-65: Instance config host/port must not be mandatory
HELIX-50: Ensure num replicas and preference list size in idealstate matches
HELIX-47: when drop resource, remove resource-level config also
quorum