exa2pro/starpu-max: porting work to Maxeler DFE @ 6b2bcd48a5b7c37f066b8e4bdcdec1df6f2e1640

Cédric Augonnet 0984a29d6c Partially revert commit 1750: starpu_tag_declare_deps _is_ a public function.		%!s(int64=15) %!d(string=hai) anos
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strassen2.c	0984a29d6c Partially revert commit 1750: starpu_tag_declare_deps _is_ a public function.	%!s(int64=15) %!d(string=hai) anos
strassen2_kernels.c	da923646ea Rename the "blas" interface into "matrix" which is much clearer.	%!s(int64=15) %!d(string=hai) anos