* Add audio_raw_stream_callback.c
* Update audio_raw_stream_callback.c to more closely follow raylib coding conventions
* Remove spaces before asterisks in comments in audio_raw_stream_callback.c
* Put SetTargetFPS(30) before while(!WindowShouldClose()) in audio_raw_stream_callback.c
* Add audio_stream_callback.c
* Delete examples/audio/audio_raw_stream_callback.c
* Delete examples/audio/audio_raw_stream_callback.png
* Update audio_raw_stream.c to more closely follow raylib coding conventions
Drawing code wasn't tabbed in
* Remove screenshot code in audio_stream_callback.c
* Update raylib version and copyright year in audio_raw_stream.c
* Update audio_stream_callback.c
Used if instead of switch to compact code; seemed more readable in this case.
