private boolean resolveClusterMode() {
		String mode = getClusterMode();
		return !"none".equals(mode) || getClusterProperties().getPropertyBoolean(PROP_CLUSTER_ENABLED);
	}
Initialize the {@link Config} object.
<p/>
This method mainly resolves ${NGRINDER_HOME} and loads system properties. In addition, the logger is initialized
and the default configuration files are copied into ${NGRINDER_HOME} if they do not exists.
ngrinder-controller/src/main/java/org/ngrinder/infra/config/Config.java