Includes alarm_defeated_ally.ogg by @Samulis
Reviewed by: @bb
Comments by: @Angen Freagarach
Differential Revision: https://code.wildfiregames.com/D2860
This was SVN commit r24199.
Support sound group playback from simulation scripts. See #486.
Update some sound group files to sound better for rough testing.
Clean up CSoundGroup a tiny bit.
This was SVN commit r7437.