#403 fuzzpro to write to stdout if no patterns not found

[Jon Ison]

> If no match found in the search, I think it is better to have "No match
> found" in the output. If something wrong in the search, I assume we
> would have error message in standard error. Fuzzpro might already have
> the later one with the "-error" option.

We can't write anything like that to an excel, gff or other formatted
output file.

But we could write a message to standard error. Not an error message ...
failing to find a pattern is not an error.