pamixer-1.6-bp156.2.8

- Update to 1.6:
  * Allow to select “running” sinks
  * Fix `--get-volume` and `--get-volume-human` return non-zero
- Drop fix-makefile-installation.patch

- Update to 1.5:
  * Add "set-limit" option, set a limit for the volume
  * Fixed typos
  * Fix memory leak on Pulseaudio object destruction
  * Add man page
- Add fix-makefile-installation.patch

- update to 1.4:
  * Allow --get-volume with --get-mute
  * Check return values when creating and connecting `pa_context`
  * add "--get-volume-human" option that gives 75% or muted

- Simplify spec file and clean it up with spec-cleaner
- Use optflags when building

- Add compatibility macro for %make_build to fix building for Leap

- Initial release