Progress Handler For Multi Clients
Merge Request to fix progress handling in multi clients mode
- Exposing vtkPVProgressHandler::DisableProgressHandling member, and default to false in every case
- Adding a vtkCompositeMultiProcessController* vtkCompositeMultiProcessController::GetMasterController method (may be implemented smartly)
- Renamming int vtkCompositeMultiProcessController::GetMasterController to GetMasterControllerID and adapting paraview code
- in vtkPVProgressHandler, Server side send to Master controller instead of Active controller if it can be found
- Redefining vtkPVSessionBase::CleanupPendingProcess and vtkPVSessionBase::PrepareProgressInternal in vtkSMSessionClient so it is send to server only if client is master ( may be implemented differently )