Removes *ReleaseDataFlag* methods from vtk*Writers, else we get VTK errors.
Removes *ReleaseDataFlag* methods from vtk*Writers, else we get VTK errors.

zhangfangyan/devide,ivoflipse/devide,chrisidefix/devide,zhangfangyan/devide,fvpolpeta/devide,nagyistoce/devide,ivoflipse/devide,chrisidefix/devide,fvpolpeta/devide,nagyistoce/devide