exa2pro/starpu-max: porting work to Maxeler DFE @ a42a37bf8e3d0075b946189058740ed0eb4687d0

Nathalie Furmento c1d9d5b7f1 tests/errorcheck/invalid_tasks.c: make sure StarPU does not start any GPU device		13 vuotta sitten
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invalid_blocking_calls.c	685f84fcdb Include valgrind.h in helper.h, not directly in the tests.	13 vuotta sitten
invalid_tasks.c	c1d9d5b7f1 tests/errorcheck/invalid_tasks.c: make sure StarPU does not start any GPU device	13 vuotta sitten
starpu_init_noworker.c	1a83af1be4 Make sure users use starpu_conf_init to initialize starpu_conf. Fix some code	13 vuotta sitten