New sound features: alternative backends, new demo, aliases

[DP News-Robot]

Our sound engine was refactored to support various backends. There are 3 backends available now: OpenAL (full-featured, with spatial (3D) sound support), SOX (only useful for testing — executes command-line sox to play files), and Nintendo Switch sound backend (not open-source, only available for developers who signed an agreement with Nintendo). A new sound demo …