Documentation: Update all images.  I think they were all damaged by a wild in place sed in some recent change

maXTouch: Add thresholding so that MOVE reports are not generated unless there is a significant change in the reported position

SAMA5 LCDC: Back out the delay kludge.  Increase the LCDC input clock from MCK to 2*MCK was sufficient for all timing instbility problems

NX graphics library: Macroize some color operators that become trivial when there is only one color plane

Addition rwbuffer interfaces should not be enabled unless they are needed; if rwbuffer support is enabled, it should not be unconditionally enabled in SMART and FTL