Fixes the issue with the IARU Region setting not being saved and restored correctly

Use proper QDataStream insertor  and extractor for IARURegions::Region
enum. Unfortunately  this requires that  all will have to  reset their
region one more time even if it was working and correct.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7867 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

MetaDataRegistry.cpp

@@ -12,6 +12,7 @@
 #include "Transceiver.hpp"
 #include "TransceiverFactory.hpp"
 #include "WFPalette.hpp"
+#include "IARURegions.hpp"
 
 #include "FrequencyLineEdit.hpp"
 
@@ -79,4 +80,10 @@ void register_types ()
 
   // Waterfall palette
   qRegisterMetaTypeStreamOperators<WFPalette::Colours> ("Colours");
+
+  // IARURegions
+#if QT_VERSION < 0x050500
+  qRegisterMetaType<IARURegions::Region> ("IARURegions::Region");
+#endif
+  qRegisterMetaTypeStreamOperators<IARURegions::Region> ("IARURegions::Region");
 }