exa2pro/starpu-max: porting work to Maxeler DFE @ 0f9bbf7ee111a454fc4c64bd1e7dae85bac25f88

Nathalie Furmento 89dc648048 doc: minor fixes		16 lat temu
..
Gantt	b5042f1ecb StarPU: Use character _ instead of - in filenames	16 lat temu
Makefile.am	a3c1c62f7b doc: generate an unique file for html	16 lat temu
starpu.css	b97421a2a2 doc: update style	16 lat temu
starpu.texi	89dc648048 doc: minor fixes	16 lat temu