Bug 711959 - Add RenderTask and the necessary mechanisms to use it. r=kats
Bug 711959 - Adapt LayerMarginsAnimator to use the new RenderTask mechanism. r=kats
Bug 711959 - Adapt JavaPanZoomController to use the RenderTask mechanism. r=Cwiiis, kats
Bug 711959 - Making BounceRenderTask time-based. r=kats
Bug 711959 - Make FlingRenderTask time-based. r=kats