exa2pro/starpu-max: porting work to Maxeler DFE @ f54f54dc6f0b234993b03fecac598164375eccd0

Samuel Thibault a3880475a8 gonnet agrees		15 lat temu
..
Gantt	b5042f1ecb StarPU: Use character _ instead of - in filenames	16 lat temu
Makefile.am	f33fc377f9 Get rid of the starpu-async branch where all recent changes have been made.	16 lat temu
starpu.texi	a3880475a8 gonnet agrees	15 lat temu