Allow Action and Policies of ServerKillingMonkey to be configurable

    Action[] actions1 = new Action[] {
      new RestartRandomRsExceptMetaAction(60000),
      new RestartActiveMasterAction(5000),
      // only allow 2 servers to be dead
      new RollingBatchRestartRsAction(5000, 1.0f, 2, true),
      new ForceBalancerAction(),
      new GracefulRollingRestartRsAction(gracefulRollingRestartTSSLeepTime),
      new RollingBatchSuspendResumeRsAction(rollingBatchSuspendRSSleepTime,
          rollingBatchSuspendtRSRatio)
    }; 

    return new PolicyBasedChaosMonkey(properties, util,
      new CompositeSequentialPolicy(new DoActionsOncePolicy(60 * 1000, actions1),
        new PeriodicRandomActionPolicy(60 * 1000, actions1)),
      new PeriodicRandomActionPolicy(60 * 1000, actions2));
  }