Disable PulseAudio flat volumes to prevent it from pushing volume level to max

[Michael Catanzaro]

On Thu, 2015-09-17 at 15:33 -0700, Thomas Daede wrote:
> That said, flat-volume is the upstream default so we might want their
> input, as well as looking at what other distros do.

Ubuntu disables it. To the best of my knowledge, all other distros
stick with the upstream default.

I am in favor of disabling. It can be extremely frustrating when apps
are misbehaving.

Michael