document tools to break down analysis by file
We need to update the darshan-util documentation to include darshan-parser --file-list, darshan-convert --file, and darshan-summary-per-file.sh.
Also update the ChangeLog.
We need to update the darshan-util documentation to include darshan-parser --file-list, darshan-convert --file, and darshan-summary-per-file.sh.
Also update the ChangeLog.