exa2pro/starpu-max: porting work to Maxeler DFE @ 056e59082a90ec77ac2d18696ff3133f1231be11

Cédric Augonnet c41968e0c0 minor fix: remove a useless header		17 gadi atpakaļ
..
ppm-downscaler.c	407c0fa3dc some systems don't have memalign	17 gadi atpakaļ
ppm-downscaler.h	626b22ba6f introduce a new example "downscaler", no real stuff for the moment	17 gadi atpakaļ
yuv-downscaler.c	c41968e0c0 minor fix: remove a useless header	17 gadi atpakaļ
yuv-downscaler.h	846e608648 use StarPU to perform YUV downscaling (CPU only yet)	17 gadi atpakaļ