private GrinderProperties getGrinderProperties() {
		return this.properties;
	}
Run agent with given consoleHost and consolePort.

if consoleHost is null it will use localhost or use console host set in
{@link GrinderProperties}

if port number is 0, it will use default consolePort or use console port
set in {@link GrinderProperties}

@param consoleHost host name
@param consolePort port number
ngrinder-core/src/main/java/net/grinder/AgentDaemon.java