Merge remote-tracking branch 'origin/master' into V9_dev

diff --cc src/HEXABLOCKGUI/HEXABLOCKGUI_SalomeTools.cxx
index 50737eff1afef9dbe1c6b01a96d42f33579f0117,2fed0c5e7d3f62bf475189e60ae161532a48ad90..1dae5ca782ea2dfdedc600aabb0c3e7088aaa9be
--- 1/src/HEXABLOCKGUI/HEXABLOCKGUI_SalomeTools.cxx
--- 2/src/HEXABLOCKGUI/HEXABLOCKGUI_SalomeTools.cxx
+++ b/src/HEXABLOCKGUI/HEXABLOCKGUI_SalomeTools.cxx
@@@ -28,10 -28,9 +28,8 @@@
  #include <vtkActorCollection.h>
  #include <vtkUnstructuredGrid.h>
  
- #include <Basics_OCCTVersion.hxx>
- 
  #include <SUIT_Session.h>
  
 -#include <SalomeApp_Study.h>
  #include <SalomeApp_Application.h>
  
  #include <OCCViewer_ViewWindow.h>