iter0 wasnt set to zero in ndratcor and ratcor monomials in heatbath step
wrong output in eigenvalue files fixed and other stdout adjusted
add initialization function for OpenMP-related variables
clean up initializations in invert
clean up initializations in hmc_tm
Merge pull request #232 from urbach/FitRationalOutput

wrong output in eigenvalue files fixed and other stdout adjusted
Merge pull request #231 from urbach/fixIter

iter0 was not set to zero in ndratcor and ratcor monomials in heatbath step
move inclusion of init/init_openmp.h to init/init.h
add OpenMP initialization to gen_sources
fix compliler complaints about const qualifiers for git-hash
Merge pull request #234 from kostrzewa/fix_git_hash_complaint

fix compliler complaints about const qualifiers for git-hash
fix const qualifiers for "executable" argument of utils_write_first_message
add output of requested number of threads at g_debug_level > 0 to init_openmp
Merge pull request #233 from kostrzewa/clean_up_init

Clean up init in main programs
Merge pull request #235 from kostrzewa/fix_git_hash_complaint

fix const qualifiers for "executable" argument of utils_write_first_messsage