Add java-runtime as zookeeper role dependency
Install tools to access zookeeper from CLI
Fix zookeeper config typo
Set corresponding myid value in zookeeper nodes list
Add comment about java runtime selection
Add aggregated zookeepers list
Add Mesos installation playbook and role
Add marathon installation
Add chronos installation playbook and role
Fix zookeeper parameter name for mesos-slave
Force MC to use builtin editor by default
Fix marathon zk and mesos connectivity