Maintenance october

* Hide contour plot collection when empty
* Update the project tree when a linked view is removed
* Make sure the window title is in sync with link state
* Do not use link state to find window tile ordering

ApplicationLibCode/ProjectDataModel/RimViewLinker.h

@@ -67,6 +67,7 @@ public:
     RimGridView* firstControlledView();
 
     void updateOverrides();
+    void updateWindowTitles();
 
     void updateCamera( RimGridView* sourceView );
     void updateTimeStep( RimGridView* sourceView, int timeStep );
@@ -103,6 +104,8 @@ protected:
     QList<caf::PdmOptionItemInfo> calculateValueOptions( const caf::PdmFieldHandle* fieldNeedingOptions ) override;
 
     void defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering& uiOrdering ) override;
+    void onChildDeleted( caf::PdmChildArrayFieldHandle*      childArray,
+                         std::vector<caf::PdmObjectHandle*>& referringObjects ) override;
 
 private:
     static QString displayNameForView( RimGridView* view );