Merge topic 'stereo-animations'
70ac37ab SaveAnimation: extend test to check stereo images b9acd9e1 vtkSMSaveAnimationProxy: support stereo movies 2dc4d59a vtkSMSaveScreenshotProxy: support stereo both eyes Acked-by:Kitware Robot <kwrobot@kitware.com> Acked-by:
Cory Quammen <cory.quammen@kitware.com> Merge-request: !3976