package: don't check GL tests for es2 and es3 targets.

They don't have any windowless application yet, thus the operations are
basically a no-op. AND JENKINS IS SO DAMN SLOW THAT THIS MATTERS.
package: enable windowless apps for es3desktop Jenkins CI configuration.

Dammit. This was _exactly_ the thing why I added es3desktop and I forgot
to enable it?!
package: reorder Jenkins CI axes.

The table is now able to fit onto the page.