Get Uniconverter in to Homebrew

[luzpaz]

Gist: https://gist.github.com/luzpaz/c65c2d55773965f3b3cf

[luzpaz]

Waiting on Igor N. to get back to me on some the issues I reported to him compiling sk1/uniconverter

[luzpaz]

Ok, so Uniconverter HEAD formula works! (Thanks to a lot of help). Waiting for sk1 devs to release 2.0 stable. Opened a ticket: sk1-project/sk1-wx#3