exa2pro/starpu-max: porting work to Maxeler DFE @ 8f9452c12853f57e7ec2cd77bd9cd4d3c972f8ef

Samuel Thibault 8f9452c128 Add regression plot example		13 lat temu
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devel	2513a83028 Document handle and replicate refcounting	14 lat temu
doxygen	8f9452c128 Add regression plot example	13 lat temu
texinfo	3cb866fcec Invert GPU-GPU direct transfer control environment variable name	13 lat temu
tutorial	579be68c99 use STARPU_MAIN_RAM instead of 0 to design main memory	13 lat temu
COPYING.GFDL	991ca7049f doc is licensed under GFDL	14 lat temu