Add REQ-REP zmq/nn sockets to FairMQ together with a little example program.

Also includes example of using boost::program_options.

fairmq/examples/req-rep/FairMQExampleServer.h

@@ -0,0 +1,32 @@
+/********************************************************************************
+ *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             * 
+ *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *  
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+/**
+ * FairMQExampleServer.h
+ *
+ * @since 2014-10-10
+ * @author A. Rybalchenko
+ */
+
+#ifndef FAIRMQEXAMPLESERVER_H_
+#define FAIRMQEXAMPLESERVER_H_
+
+#include "FairMQDevice.h"
+
+class FairMQExampleServer : public FairMQDevice
+{
+  public:
+    FairMQExampleServer();
+    virtual ~FairMQExampleServer();
+
+    static void CustomCleanup(void *data, void* hint);
+
+  protected:
+    virtual void Run();
+};
+
+#endif /* FAIRMQEXAMPLESERVER_H_ */