[vtkusers] Opengl2 and Qt5.5

[Ben Boeckel]

On Thu, Oct 29, 2015 at 18:16:10 -0400, Richard Frank wrote:
> Does one need to turn on Module_vtkGUISupportQtOpenGL on or off with
> the OpenGL2 options on?

It is (should be) agnostic to the rendering backend, so it can work
either on or off.

--Ben