[Developers] print process ID in the Cactus banner

Thomas Radke tradke at aei.mpg.de
Thu Feb 12 10:42:16 CST 2009

The attached tiny patch outputs the process ID in the Cactus banner 
printed at simulation startup. This information is useful eg. so that 
one can associate core.<pid> files with MPI tasks 
(CCTK_Proc<task-ID>.out files) while post-mortem debugging a parallel run.

Cheers, Thomas.

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