* Use CIE2000 deltaE algorithm (from OpenIMAJ)
* Try harder to find a good looking color (also try dominant color)
* Use new Palette API
Change-Id: I0f0be52fe7c3e8376f1aa08c4bfa2751cd0659da
* A bunch of generally useful algorithms and helpers for performing
colorspace conversions and other color-related math.
Change-Id: If54ca156fc5473f6c1b39eb53bd871f48c3dc2a1