[Piglit] Merge request: variable-index patches

[Tom Gall]

Just about two weeks ago I had posted:

http://lists.freedesktop.org/archives/piglit/2013-March/005231.html
http://lists.freedesktop.org/archives/piglit/2013-March/005232.html

If acceptable can we get these merged? There hasn't been any negative
feedback thus far.

I have the patches ready to go which follow up on these changes.
Specifically the as discussed movement of the variable index
generation scripts into generated-tests, small changes so the scripts
are called and then deletion of the generated tests since they no
longer need to be in git.

Thanks!

--
Regards,
Tom

"Where's the kaboom!? There was supposed to be an earth-shattering
kaboom!" Marvin Martian
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