Assets 7

Summary of changes since 20180810 release:

  • Fix volume of AdLib instruments; they were too loud relative to actual Sound Blaster cards (and DOSBox). Sample mixing volume is adjusted to match when loading S3Ms made in an older version of Schism.
  • Build for macOS 10.11 instead of 10.13.
  • Add stable source tarball to release.
  • Add render action to Linux desktop entry.