Even when use all devices is selected.

This reverts commit 0815e64.

This sets the Prefs to record the devices visible to JOCL at the time
the GPU Check was run.

This is a basis to detect unexpected changes to GPUs. Later programs
can check whether the name of the device they see is consistent with
the device(s) selected for use.

GPU checker resets Prefs each time it is run, and sets each compliant
device to be used.

It's common that a QuckEllipsoid could be instantiated without needing
the surface point generating functions that require RNG or their
buffers of random numbers. So leave them null until they are needed.

This makes it reappear in the menu

No idea what it was meant to be doing, but it's super annoying.
fixes #349

Was holding version at 4.11.0 until Scijava caught up.

This reverts commit ac0ab07.