exa2pro/starpu-max: porting work to Maxeler DFE @ e5c40b85fd1dfa4b61f09fd5441af9e74b82b5a3

Nathalie Furmento c80a8acea1 Datatypes renaming		13 lat temu
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cholesky	c80a8acea1 Datatypes renaming	13 lat temu
mpi_lu	c80a8acea1 Datatypes renaming	13 lat temu
scatter_gather	6d03488628 MPI: The tag used in mpi communications is set by the data handle and no longer internally by the starpumpi library	14 lat temu
stencil	dd933ff4df reduce the default number of stencil iterations to avoid filling > 4GiB memory	13 lat temu
perf.sh	719155db9f copyright fixes	14 lat temu