mavlink/qgroundcontrol — pull request #546 by Susurrus (2014-02-20 03:13:19+00:00)
Title: Disable text output from GAudioOutput.

All it does is clutter the terminal and it's not doing anything anyways. I don't know if `beep()` should just be removed all together at this point or what the deal is, but these pointless debug outputs should definitely go.