Homebrew/homebrew — pull request #33535 by Noctem (2014-10-24 03:21:24+00:00)
Title: MKVToolNix 7.3.0

Update to [latest stable release](https://www.bunkus.org/blog/2014/10/mkvtoolnix-v7-3-0-released/), add option to build [experimental QT GUI](https://trac.bunkus.org/wiki/MkvToolNixGuiStatus), add libmagic as recommended dependency, upgrade flac dependency to recommended, downgrade gettext dependency to optional, remove unnecessary configure options locating ogg and vorbis, change format of ```drake install``` command.