[Paraview] [EXTERNAL] Client-server mode fails with 5.0.1

[Utkarsh Ayachit]

> As soon as I set the threshold to 0 the warning about the OpenGL 3.2 context
> pops up (but no segfault in this case).

No segfault just means that the scene didn't attempt to rendering
something that needed newer OpenGL.

> I tried a very minimal example that creates a 3.2 context (using SDL) and
> that fails as well, so maybe something strange is going in with our nvidia
> driver installation. I'll see if I can do some more tests.

Cool. Thanks.