This provides the possibility to compute checksums for arrays in Fortran, even
across multiple MPI processes by exploiting zlibs functionality to compute
partial checksums.

Files:
distcrc.c: provides a C-Wrapper to easily compute the checksum of Fortran Arrays
           in distributed computations.

distcheck_module.f90: Fortran interfaces to the checksum computation.

checkTest.f90: Example program, showing how to utilize the distributed checksum
               computation in an application.
