changes project to Java SE instead of Java WEB with Tomcat
implemented a web server based on nanoHTTPd (https://github.com/NanoHttpd/nanohttpd)
implemented a websockets server based on nanoHTTPd (https://github.com/NanoHttpd/nanohttpd)
implemented a webbrowser as the gui with JavaFX's webkit browser.
altered gui.js to work with websockets
changed old getGameInfo function to parse dummy JSON Object from GameModel (fixed id)