Bad, vile and meaningless: Gnuitar pt. 2 from Alan's clob

Gnuitar, continued...

I'm now one of the maintainers of the software. I've pushed in many quality improvements and even found some bugfixes for amd64, and I've also implemented a tuner. The next version is hopefully quite bug-free, although its UI will still suck. Max doesn't seem to think that the UI is important, but I think it has to get fixed before long.

Here's what I've done:

And here's what I got in the works: