exa2pro/starpu-max: porting work to Maxeler DFE @ 21cc64d8949ef9f11883a4aa52f2233c28955313

Samuel Thibault f5dd1b71ed Take benefit from mpi cache flushing		11 lat temu
..
complex	685ec404f6 mpi: minor fixes following bugs detected by valgrind	12 lat temu
matrix_decomposition	f5dd1b71ed Take benefit from mpi cache flushing	11 lat temu
mpi_lu	f5dd1b71ed Take benefit from mpi cache flushing	11 lat temu
stencil	2fc5035219 Submit MPI data migration asynchronously, so it's all overlapped	12 lat temu
Makefile.am	9e0353d9b6 fix merge branches/mic in trunk	12 lat temu
perf.sh	719155db9f copyright fixes	14 lat temu