Agent orchestrator

[leleueri]

Create an agent orchestrator.
The orchestrator will receive some information from each agent (like the LoadAvg of a node...) and it will be able to send information/Request to each agent (ex : request a snapshot)

[leleueri]

#22 work in PR

[leleueri]

new configuration parameters:

• an orchestrator section (currently only to enable / disable the actor)

  orchestrator {
    enable = true
  }

• a gateway section with orchestrator endpoint. (configured into the akka section as remote host/port)

  // host and port of the AgentOrchestrator,
  // this is used by the AgentGateWay to contact
  // the orchestrator on start up

  gateway {
    enable = true
    orchestrator-host="127.0.0.1"
    orchestrator-port=9000
  }