FairMQ: shared memory unmanaged region updates:

- use same mapping for sender/receiver (created/remote) region.
 - rename FairMQRegion -> FairMQUnmanagedRegion.

fairmq/FairMQUnmanagedRegion.h

@@ -0,0 +1,26 @@
+/********************************************************************************
+ *    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"                       *
+ ********************************************************************************/
+
+#ifndef FAIRMQUNMANAGEDREGION_H_
+#define FAIRMQUNMANAGEDREGION_H_
+
+#include <cstddef> // size_t
+#include <memory> // unique_ptr
+
+class FairMQUnmanagedRegion
+{
+  public:
+    virtual void* GetData() const = 0;
+    virtual size_t GetSize() const = 0;
+
+    virtual ~FairMQUnmanagedRegion() {};
+};
+
+using FairMQUnmanagedRegionPtr = std::unique_ptr<FairMQUnmanagedRegion>;
+
+#endif /* FAIRMQUNMANAGEDREGION_H_ */