add flush when closing HDF5 file.  Very important if we ever want to read it from the same program
add flush when closing HDF5 file.  Very important if we ever want to read it from the same program

glennhickey/hal,glennhickey/hal,glennhickey/hal,glennhickey/hal,glennhickey/hal,glennhickey/hal,glennhickey/hal,glennhickey/hal