Determine version number if running from jar

import java.io.IOException;

import java.io.InputStream;

import java.util.ArrayList;

import java.util.List;

import java.util.Properties;

import java.util.function.Consumer;

import java.util.logging.Logger;

import javax.swing.JOptionPane;

import de.sekmi.histream.Extension;

import de.sekmi.histream.Observation;

import de.sekmi.histream.ObservationFactory;

		return p;

	}

	private static final String readVersion() throws IOException{

		InputStream inputStream = RunConfiguration.class.getClassLoader().getResourceAsStream("META-INF/maven/de.sekmi.histream/histream/pom.properties");

		Properties props = new Properties();

		props.load(inputStream);

		return props.getProperty("version","[unknown]");

	}

	public static void main(String args[])throws Exception{

		System.out.println("HIStream starting");

		if( System.console() == null ){

			JOptionPane.showMessageDialog(null, "This program should be run with a console", "HIStream "+readVersion(), JOptionPane.WARNING_MESSAGE);

			return;

		}

		System.out.println("HIStream "+readVersion()+" starting");

		long millis = System.currentTimeMillis();

		Configuration conf = Configuration.fromFile(new File("src/test/resources/histream.xml"));