exa2pro/starpu-max: porting work to Maxeler DFE @ a0d026e94622f871ce1b1eb00ca65d40cd48a1a2

Samuel Thibault 50996d4071 Fix termination hang: make sure all tasks are finished before shutting down		14 anni fa
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cg.c	50996d4071 Fix termination hang: make sure all tasks are finished before shutting down	14 anni fa
cg.h	68c2135caf fix yet more c++-like comments	14 anni fa
cg_dot_kernel.cu	48aea5e024 Bug fix: use a kernel to actually put zeros in the vector that is initialized	14 anni fa
cg_kernels.c	7517525097 examples/cg/cg_kernels.c: include limits.h which defines INT_MAX	14 anni fa