xnoise-0.2.21-bp151.3.1

- Update xnoise-compilation-fix.patch for the introduction of
  GstVideoOverlay.set_property().

- Update xnoise-compilation-fix.patch for Vala 0.36.

- Fix Group tag mixup.

- Add xnoise-ListStore.patch: Fix "'ListStore' is an ambiguous
  reference between `GLib.ListStore' and `Gtk.ListStore'".

- Add GStreamer plugins recommends.
- Fix homepage.

- Initial package.