[Openicc] Proposed "ucmm" display profile configuration convention used by ArgyllCMS.

[Graeme Gill]

Hal V. Engel wrote:

> Have you learned anything new about this issue or are you still getting back 
> all zeros when you ask XRandR for the gamma table?

At the moment I've taken the programmatic approach of recognizing the situation
and substituting a linear ramp. At least then the display doesn't go
black when the "previous" LUT content is restored!

Graeme Gill.