moved NUMBER_OF_SIMULTANEOUS_RUNS and BROADCAST_SAME_MESH_AND_MODEL from setup/constants.h to the Par_file
fixed the "STOP NUMBER_OF_SIMULTANEOUS_RUNS <= 0 makes no sense" bug
fixed a comment
renamed a script
modified another comment (which was unsafe for some of the run_this_example.sh scripts, which parse the DATA/Par_file without checking if the line is a comment or not)
added EXAMPLES/view_all_run_this_example_scripts_to_modify_them.csh
updated a comment
updates smoothing tool
updates smoothing and interpolation tool; renames file smooth_weights_vec.f90 to smooth_weights_vec.F90 and adds vectorizations
uses vectorized loops in smoothing tool; renames smooth_sem.f90 to smooth_sem.F90