Pull 10/11 bpc updates, fixes, ...

* 10 bpc + new 11 bpc support.
* DrawFormattedText left-/right justification.
* nouveau-kms workaround limited to Linux 3.13 - 3.15
* KDE: Use old-style override-redirect like on other DE's.
* Code cleanup.
* Improvements to timing test, color test scripts.
* Fix some ColorCal demos a bit.