Fix some clang++4 warnings

PropertyVisPlugin.hh

@@ -101,17 +101,17 @@ class PropertyVisPlugin : public QObject, BaseInterface, LoadSaveInterface, Tool
 #endif
 
 signals:
-  void updateView();
-  void updatedObject(int, const UpdateType&);
+  void updateView() override;
+  void updatedObject(int, const UpdateType&) override;
 
-  void log(Logtype, QString);
-  void log(QString);
+  void log(Logtype, QString) override;
+  void log(QString) override;
   
   // ToolboxInterface
-  void addToolbox( QString  _name  , QWidget* _widget ,QIcon* _icon);
+  void addToolbox( QString  _name  , QWidget* _widget ,QIcon* _icon) override;
 
   //PickingInterface
-  void addHiddenPickMode( const std::string& _mode );
+  void addHiddenPickMode( const std::string& _mode ) override;
 
   // Script Interface
   void getScriptingEngine( QScriptEngine*& _engine  ) override;
@@ -119,25 +119,25 @@ signals:
 private slots:
 
   // BaseInterface
-  void slotObjectUpdated( int _identifier, const UpdateType& _type );
-  void slotAllCleared();
+  void slotObjectUpdated( int _identifier, const UpdateType& _type ) override;
+  void slotAllCleared() override;
   
   // LoadSaveInterface
-  void objectDeleted( int _id );
+  void objectDeleted( int _id ) override;
 
   // initialization functions
-  void initializePlugin();
-  void pluginsInitialized();
+  void initializePlugin() override;
+  void pluginsInitialized() override;
 
   // toolbox slots
   void slotMeshChanged(int _index = -1);
   void slotVisualize();
   
   // MouseInterface
-  void slotMouseEvent( QMouseEvent* _event );
+  void slotMouseEvent( QMouseEvent* _event ) override;
   
   //PickingInterface
-  void slotPickModeChanged( const std::string& _mode);
+  void slotPickModeChanged( const std::string& _mode) override;
   
   void updateGUI();
 
@@ -165,8 +165,8 @@ public :
   ~PropertyVisPlugin() {}
 
 
-  QString name() { return (QString("Property Visualization")); }
-  QString description( ) { return (QString("Computes the PropertyVis of the the active Mesh")); }
+  QString name() override { return (QString("Property Visualization")); }
+  QString description( ) override { return (QString("Computes the PropertyVis of the the active Mesh")); }
 
 
 private :

Utils.hh

@@ -201,7 +201,7 @@ public:
 
 };
 
-static DataType supportedDataTypes()
+static inline DataType supportedDataTypes()
 {
     DataType res = DATA_TRIANGLE_MESH | DATA_POLY_MESH;