exa2pro/starpu-max: porting work to Maxeler DFE @ 7a3685e74a04c8bbafa79e4d5ad88a11a16f5c0e

Samuel Thibault b74c9583ff Initialize buffer to be written for testing disk bandwidth, to avoid any page fault cost, and please valgrind		12 lat temu
..
unistd	cc9317ad32 src/core/disk_ops/unistd/disk_unistd_global.c: use getpagesize() on systems defining o_direct, otherwise 1	12 lat temu
disk_leveldb.cpp	5c98bbcb07 fix build with non-c++11 compilers	12 lat temu
disk_stdio.c	b74c9583ff Initialize buffer to be written for testing disk bandwidth, to avoid any page fault cost, and please valgrind	12 lat temu
disk_unistd.c	192abc3b7f Pass O_BINARY for windows	13 lat temu
disk_unistd_o_direct.c	192abc3b7f Pass O_BINARY for windows	13 lat temu