delete
add gitignore
cudaDeviceReset on Ctrl+C for nvprof
add gitignore and config.sh
remove some temp files (in .gitignore)

That will delete them on pull but will be ignore on recreate
cuda_mul: remove dev. printf (vfprintf error)
output: add the --color parameter (-C)

disabled by default or if syslog option is set

Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>
update configure for mpir lib
restore the --help