exa2pro/starpu-max: porting work to Maxeler DFE @ 8b98e083f734de43d18f22a94ddafea915e1e329

Nathalie Furmento e3bf388754 New function starpu_codelet_unpack_args_and_copyleft() which allows to copy in a new buffer values which have not been unpacked by the current call		10 lat temu
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devel	4c6de74837 Add starpu_data_idle_prefetch_on_node	11 lat temu
doxygen	e3bf388754 New function starpu_codelet_unpack_args_and_copyleft() which allows to copy in a new buffer values which have not been unpacked by the current call	10 lat temu
tutorial	634c96d7bc fix warning	10 lat temu
COPYING.GFDL	991ca7049f doc is licensed under GFDL	14 lat temu
Makefile.am	1de351ae06 Fix 16146: we still need to set DIST_SUBDIRS when we build the doc	10 lat temu