pulseaudio-equalizer-2.7.0.2-bp151.3.1

- Add 0000-add-python3-compat.patch: Add Python3 compatibility.
- Rebase and improve 0001-pulse-path.patch, 0005-window-icon.patch.
- Squash 0007-remove-all-preamp.patch into 0002-remove-preamp.patch.
- Rebase 0003-force-default-persistence-value.patch,
  0004-do-not-crash-on-missing-preset.patch,
  0008-fix-locale-issues.patch, 0009-do-not-zero-volume.patch.
- Add 0007-pygobject3-port.patch: Port to PyGObject3 and GTK+3.
- Do not use a wrapper for pulseaudio-equalizer-gtk.
- Switch to Python3.

- Some quotes in patch 0008-fix-locale-issues.patch were wrong:
  ' instead of " and the other way around.

- Add 0007-remove-all-preamp.patch, 0008-fix-locale-issues.patch,
  0009-do-not-zero-volume.patch.

- Add .desktop database update.
- Spec cleanup.

- Initial build.