added connection timeout for record counting command of 5 minutes

src/main/java/de/uulm/omi/evaluation/task/RemoteCommand.java

@@ -144,13 +144,14 @@ public class RemoteCommand extends EvaluationTask {
       LOGGER.debug("session created.");
       session.connect();
 
+
       channel = (ChannelExec) session.openChannel("exec");
       channel.setInputStream(null);
       output = channel.getInputStream();
       channel.setErrStream(System.err);
       channel.setCommand(recordCountCommand);
 
-      channel.connect();
+      channel.connect(300000);
       String recordCountResult = CharStreams.toString(new InputStreamReader(output));
       //printOutput(channel);
       channel.disconnect();