Issue #77 Move some templated member functions into their respective header files

src/blackcore/context/contextnetwork.h

@@ -64,7 +64,11 @@ namespace BlackMisc
         class CAircraftParts;
         class CCallsign;
     }
-    namespace Network    { class CTextMessage; }
+    namespace Network
+    {
+        class CRawFsdMessage;
+        class CTextMessage;
+    }
     namespace Simulation { class CAircraftModel; }
 }
 namespace BlackCore