Import SDL_mixer VS2010 project file.
Adjust source and output paths.
Disable MIDI and FLAC.

These should be uncommon enough we can omit them and save a little
space.
Disable MP3 support.

Some Linux distros do not include MP3-related packages in their core
repos for licensing reasons, so we'll just use Ogg Vorbis instead.
Fix output file suffix and include paths.
Apply disabled settings to other configs.
Add SDL2_mixer project.
Add build instructions.
Add prebuilt SDL_mixer binaries.

Built from SDL_mixer 2.0.0-668.
Import SDL_mixer header.

From SDL_mixer 2.0.0-668.
Link with SDL_mixer 2.x.
Initialize SoundServer after SDL init.
Implement initial SDL_Mixer init and shutdown.
Merge branch 'master' into sdl-mixer
Conditionally restore OpenAL init/shutdown.

The new plan is to support both SDL_Mixer and OpenAL.
Copy SDL_mixer DLLs in build.
Include SDL_mixer DLLs in "Libraries" group.
Link debug SDL_mixer with debug SDL.
Import Ogg Vorbis DLLs from SDL_mixer.

From SDL_mixer 2.0.0-668 source distribution.
Add SDL_mixer support for sound effects.