refs #409 Move FS specific methods into FSX and FS9 driver

The reason for this change is, that the information these methods provide
are similar for FS9 and FSX, but the content is different.

src/plugins/simulator/fsx/simulator_fsx.cpp

@@ -852,6 +852,26 @@ namespace BlackSimPlugin
             }
         }
 
+        QString CSimulatorFsx::simObjectsDir()
+        {
+            QString dir = CFsCommonUtil::fsxSimObjectsDirFromRegistry();
+            if (!dir.isEmpty()) { return dir; }
+            return "P:/FlightSimulatorX (MSI)/SimObjects";
+            // "p:/temp/SimObjects"
+        }
+
+        const QStringList &CSimulatorFsx::excludeDirectories()
+        {
+            static const QStringList exclude
+            {
+                "SimObjects/Animals",
+                "SimObjects/Misc",
+                "SimObjects/GroundVehicles",
+                "SimObjects/Boats"
+            };
+            return exclude;
+        }
+
         CSimulatorFsxListener::CSimulatorFsxListener(QObject *parent) : ISimulatorListener(parent),
             m_timer(new QTimer(this))
         {