fixed #49

clean up

server/src/main/java/ch/zhaw/pm2/multichat/server/Server.java

@@ -85,7 +85,7 @@ public class Server {
     private void start() {
         System.out.println("Server started.");
         try {
-            while (true) {
+            while (networkServer.isAvailable()) {
                 NetworkHandler.NetworkConnection<String> connection = networkServer.waitForConnection();
                 ServerConnectionHandler connectionHandler = new ServerConnectionHandler(connection, connections);
                 new Thread(connectionHandler).start();

server/src/main/java/ch/zhaw/pm2/multichat/server/ServerConnectionHandler.java

@@ -62,10 +62,8 @@ public class ServerConnectionHandler extends ConnectionHandler implements Runnab
     /**
      * Constructor to initialize the connection
      *
-     * @param connection   representing the socket connection between server and client
-     * @param registry     map containing all active connections between server and clients
-
-
+     * @param connection representing the socket connection between server and client
+     * @param registry   map containing all active connections between server and clients
      */
     public ServerConnectionHandler(NetworkHandler.NetworkConnection<String> connection,
                                    Map<String, ServerConnectionHandler> registry) {